引进的370 0数控测井绞车滚筒链条销多次发生断裂，严重影响了该设备的正常投产。
The imported winch roller chain pins on the 3700 computerized logging system have broken many times and greatly affected to our work.
野外测井作业，绞车面板系统的正常工作与否是能否顺利测井的关键，也占有非常重要的地位。
It is very important that the system for the winch panel can operate normally in the field logging job.
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