dado 墙裙
daily service fuel tank level switch 日用油缸液位掣
damage 损毁
damper 挡板
damper linkage 风闸联动装置
damper motor 风闸马达
damping mat 阻尼垫
dangerous earth potential 危险性对地电势
dashpot 减震器
data transmission 数据传输
dc/ac converter 直流电／交流电转换器
dead 不带电
dead weight 自重
decanter 沉淀分取器
declaration of conformity 符合标准声明
decommissioning 解除运作；停止运作
decompression chamber 减压室
decorative lighting 装饰照明；灯饰
deep bore well pump 深钻井泵
defect liability period 故障修理责任期；保用期
defectograph 钢缆探伤仪；故障检查仪
defence in depth 纵深防御
definite sequence 固定次序
deflection 偏转；挠度
deflector sheave 折向轮；导向轮
defrost timer 防霜时间掣
defrost unit 溶雪组合
dehumidifier 抽湿机
deleterious substance 有害物质
delivery and return air temperature 送风及回风温度
delivery connection 出油接头
delivery pressure 输出压力
demand side management 用电需求管理
demand side management agreement 用电需求管理协议
demand side management programme 用电需求管理计划
dent 凹痕
dental instrument 牙科仪器
dental scaler 洗牙具
departmental administration division [electrical and mechanical services department] 行政部〔机电工程署〕
departmental safety unit [electrical and mechanical services department] 部门安全组〔机电工程署〕
deposition 沉积物
depth measuring facility 深度测量装置
derating factor 额定值降低因子
derust 除锈
descale 清除氧化皮
design current 设计电流
design parameter 设计参数
designated employee 指定雇员
detachable grip 可拆除的夹扣
details of branch offices of registered electrical contractors 注册电业承办商分行详情申报
deterioration 变质；变坏
deutsche industrie normen [din] 德国工业标准
device 器件；装置
dewatering 脱水；排水
diaphragm 膜片；隔板
dielectric strength test 电介质强度测试
diesel fuel tank 柴油燃料缸
diesel oil 柴油
differential gasket 差速器衬垫
differential lock 差速器锁
differential oil 差速器机油
diffuser 透光罩；扩散器
dilute 稀释
dim sum trolley 点心手推车
dim transformer 光暗变压器
diminution of value 减值
dimmer 调光器；光暗掣；光暗器
dip tube 液位探测管
diploma in electrical engineering 电机工程学文凭
dipstick 量油尺
direct current [dc] 直流电
direct current control 直流控制
direct current electric drive 直流电电力驱动
direct current reactor 直流电抗器
direct drive 直接驱动
direct purging 直接驱气
direct-acting lift 直接驱动升降机
direct-fired vaporizer 明火直热式汽化器
direction arrow 方向箭头
direction arrow plate 方向指示板
direction indicator 方向指示器
director of electrical and mechanical services 机电工程署署长
directory of accredited laboratories 认可实验所名册
directory of quality system registration bodies 品质系统注册团体指南
disassemble 拆散
discharge 放电；卸载
discharge lamp 放电灯；放电管
discharge lighting 放电照明设施
discharge of electricity 释电；放电
discharge valve 排水阀
disciplinary board 纪律审裁委员会
disciplinary board panel 纪律审裁委员团
disciplinary tribunal 纪律审裁小组
disciplinary tribunal panel 纪律审裁委员团；纪律审裁委员会
discolouring 变色
disconnection 截断；截离
disconnector 切断器
disinfectant tank 消毒箱
dispatch floor 调度楼层
dispatch interval time 调度间隔时间
dispatch panel 调度盘
dispatch signal 调度信号
dispatcher board 调度程序指示板；综合指示箱
dispersant 化油剂
displacement switch 位移开关
displacement type governor 位移式调速器
disposable cylinder 只用一次的石油气瓶
disposable liquefied petroleum gas cartridge 只用一次的卡式石油气瓶
distinctive smell 特有气味
distortion 失真
distribution board 配电箱
distribution of electricity 分配电力；配电
distribution panel 配电盘；配电板；配电屏
distribution substation 配电分站
distribution system 配电系统
distributor 分火器；分配器；分销商
district cooling scheme 区域性冷却系统
diurnal variation 日际变化
diversion kerb 导流壆
diversion sheave 折向轮
diversity 参差额
diverter 分流器
diverting pulley 折向滑轮
domestic gas appliance 住宅式气体用具
domestic instantaneous gas water heater 住宅式即热气体热水炉
door cam 门锁
door catch 门扣
door close button 关门按钮
door closing weight 自动关门锤砣
door contact 门触点
door control 门控制
door gasket 柜门封边胶条
door gib 门导块
door header cover 门头罩
door hinge 门铰；门铰链
door interlock 门联锁
door interlock switch 门联锁开关
door limit switch 门限位开关
door lock 门锁
door lock cover 门锁罩
door locking device 锁门装置
door open button 开门按钮
door open limit 开门限位
door operating gear 门启动装置
door operating guide 门启动导向件
door operation 门操作
door sill 门坎；门坎
door track 门轨
dose 剂量
dose rate 剂量率
dosimetry 剂量学；剂量测量法
double burner 双头炉
double case construction [fuel tank] 双层包箱〔油箱〕
double riveting 双排铆接
double wrap 双绕；复绕
double-capped fluorescent lamp 双头荧光灯
double-insulated equipment 双重绝缘器具
double-insulated isolating transformer 双重绝缘隔离变压器
double-pole switch 双极开关掣
double-wound 双线绕组的
double-wound transformer 双绕组变压器
down arrow 下行箭头
down direction valve 下行控制阀
down final limit and terminal stopping switch 最低限位及最低楼层停机掣
down rod 悬杆
down-draught diverter 倒风折流器；拔风罩
downstream 下游
drain 放水；排水
drain cock 排水旋塞；“清缸掣”
drain valve 排水阀
drawbar 牵引杆
drawn-in tape 拉线带
draw-off connection 卸载接头
draw-off rate 出汽率
drill 电钻
drilling machine 钻
drip pan 接滴盘
drive 驱动；驱动装置
drive axle 驱动轮轴
drive chain 驱动链
drive control 驱动控制
drive hub 驱动轮毂
drive motor 驱动马达
drive system 驱动系统
drive unit 驱动器；驱动单元
driving belt 驱动皮带
driving gear 驱动齿轮
driving gear assembly 驱动齿轮组件
driving gearbox 驱动齿轮箱
driving machine 驱动机
driving machine brake 驱动机制动器
driving motor 驱动马达
driving pinion 驱动齿轮
driving sheave 驱动轮
drop test 下坠测试
drum drive 滚筒驱动装置
dry cooking appliance 干式煮食器具
dry powder type fire extinguisher 干粉灭火器
drying machine 干衣机
dry-sealed gasholder 干封式贮气鼓
duct 管道
duct air treatment system 管道空气处理系统
ducter 微阻计
ductility 延展性；延伸度
ducting 管道；管通
ductwork 管道系统
dumb waiter 小型送货升降机；送菜升降机
duplex control 两部相联控制
duplicate conductor 二重导体
duplicate insulator 二重绝缘体
duplicate permit 复本许可证；许可证复本
duplicate protective conductor 双重保护导体
dust seal 防尘封
duty technician 值勤技术员