Differential acting hammer的意思|示意
差动锤
Differential acting hammer的网络常见释义
差动锤 ... 流差 Difference，current 差动锤 Differential acting hammer 差动桩锤 Differential acting pile-hammer ...
Differential acting hammer相关短语
1、 differential acting steam hammer 差动汽锤
2、 Differential acting pile-hammer 差动桩锤
3、 differential-acting pile hammer 差动打桩锤