counter sinking锪孔;钻锥坑;滚丝;倒角沉孔
schaft sinking凿井
pit sinking凿井
sinking agent沈降剂;沉淀剂
sinking hoist凿井提升机
sinking operation井筒掘进
pile sinking打桩;沉桩
Cementation Sinking[矿业] 灌浆法凿井
sinking tree沉树
To analyses the sinking process, a one-side sinking process using general hydropress is designed to realize that the lengths of the two sink-formed parts are equal. Then the test of this process and its numerical simulation are done.
在缩径方面,采用单边缩径工艺在普通液压机上实现了管坯双向等长缩径,进行了小批量生产试验,并对试验过程进行了数值模拟。
参考来源 - 近水平煤层群开采地表移动规律的研究Surface quality also influences water stability and sinking of shrimp pellet feeds.
硬颗粒虾饲料表观质量影响产品的耐水性和下沉性。
参考来源 - 虾饲料耐水性和下沉性研究ADJ(形容词) If you have a sinking feeling, you suddenly become depressed or lose hope. 颓丧的; 沮丧的 [ADJ n]→ see also sink
I began to have a sinking feeling that I was not going to get rid of her.
我开始有一种摆脱不掉她的沮丧情绪。