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Terms for subject Drilling containing escape | all forms | exact matches only
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air escape cock排气旋塞
derrick man escape device架工逃生装置
derrickman escape device井架工逃生设施
escape hole排泄孔
escape of gas气体泄出
escape orifice排泄孔
escape valve泄压阀
escape valve安全阀
escape way逃生路线
.gas escape漏气
positive pressure escape air breathing apparatus正压脱险防毒面具