不利的一面是，利用这个函数有点不够简练，且相当不灵活。
On the down side, utilizing this function is somewhat less concise, and considerably less elegant.
数采房逃生门开关不灵活，不利于逃生。
SAS cabin escape door switch is rust not conducive to escape.
传统的测漏方法操作不灵活，容易产生误判，而且不利于数据的存储分析。
The traditional method of leakage detecting is inflexible, tending to cause mistakes, going against data storage and analysis.
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