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Terms
for subject
Drilling
containing
失效
|
all forms
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in specified order only
Chinese
English
井下动力钻具
马达
失效
downhole motor failure
井下钻具
失效
downhole tool failure
失去功效的
disfunction
失去效用
extinct
失效
的
malfunction
失效
ineffective
失效
的
disfunction
密封
失效
seals failure
技术
失效
technical failure
磨损
失效
期
wearout failure period
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