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for subject
Oil / petroleum
containing
下井工具
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Chinese
English
下井工具
letting-in tool
井下作业工具
tools for downhole
井下工具
subsurface tool
井下工具
downhole tool
井下工具故障
downhole tool failure
井下成像工具
subsurface imaging tool
井下牵引工具
downhole tractor tool
井下租用工具
downhole rental tool
井下造斜工具
downhole deflecting tool
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