Aim: Approaching the accident cause, precaution and remedy of artificial femoral displacing operation.
目的：探讨人工股骨头置换手术意外原因、防范和补救措施。
In LPG transporting ship, the most important thing is the safety in the case of displacing operation of LPG in tanks.
在液化石油气运输船中，要进行储罐内气体的置换作业，其安全第一，关系重大。
In LPG transporting ship, the most important thing is the safety in the case of displacing operation of LPG in tanks.
在液化石油气运输船中，要进行储罐内气体的置换作业，其安全第一，关系重大。
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