产品适用于天车起吊时防止被吊工件意外坠落时的安全防护，能有效地保护地面操作人员的生命安全和被吊工件物体的损坏，应用于冶金汽车制造，石油化工、工程建设、电力、船舶、通讯、制药、桥梁等高处作业场所。
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。
Here we first talk about how to regularly test and inspection of anti-falling safety Quanqi, with SC type construction elevator as an example.
升降机施工时，有一个很重要的部件叫防坠安全器，它主要是用来消除吊笼坠落事故的发生，保证乘员的生命安全。
Lift construction, is a very important part of anti-falling safety Quanqi call, it is mainly used to eliminate cage fall accidents, ensure the life safety of the passengers.
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