1、差动绞辘
... differential chain block 差动滑车 differential chain block 差动绞辘 differential circuit 差动电路微分电路 ...
2、差速吊车
... 差速吊车 differential chain block 差动齿轮变换装置 differential change gear device 微分系数 differential coefficient ...
3、差动滑车
... differential capacitor 差动电容器 differential chain block 差动滑车 differential chain block 差动绞辘 ...