So the regularly inspection and maintenance on MOA is indispensable.
因此,对氧化锌避雷器的定期检查和维护必不可少。
It is an effective method to carry out regularly inspection on steel crane girder structures in order to prevent from fatigue failure.
对在役钢结构吊车梁进行定期、不定期的检查是避免发生疲劳失效的最有效方法。
Here we first talk about how to regularly test and inspection of anti-falling safety Quanqi, with SC type construction elevator as an example.
这里我们先来讲讲如何定期试验和送检防坠安全器,以SC型施工升降机为例。
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