- 更多网络解释与凿井吊桶相关的网络解释 [注:此内容来源于网络,仅供参考]
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bailing:(凿井时用吊桶)排水
coal pulverization 煤的粉碎 | bailing (凿井时用吊桶)排水 | pitch amplitude 纵向[俯仰]振幅, 纵摇幅度
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coal pulverization:煤的粉碎
field apparatus for ground photogrametry 地面摄影测量仪 | coal pulverization 煤的粉碎 | bailing (凿井时用吊桶)排水
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shaft bunton:井筒横梁
shaft bucket 凿井吊桶 | shaft bunton 井筒横梁 | shaft collar 井口结构