shaft belay
英
美
- 镐柄保护栓
相关词汇
shaftman
shaft
shaft-rate electromagnetic field
shaft well irrigation and drainage
shaft - extension tubular turbine
shaftless filling-capping machine
shaft lining sinking while floating
shaft formation by longhole blasting
shaft-sinking with freezing method
shaft prospecting engineering survey
Shaft-oriented feed grinding method
Shaft diameters for unsplit bushes.
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