The efficiency of any automatic safety device should be checked before every nitration.
每种自动安全装置应在每次硝化前进行检验。
Safety is ensured by separated performance platform of finished products and raw material. It is easy to be equipped with automatic device.
因为成形品取出与嵌入作业不在成形站进行，作业安全性高；而且可以容易加装自动化装置。
Conclusions The automatic biopsy device deserve popularization for its well function, cheap price, easy operation and safety.
结论国产自动活检装置取材良好，操作简单，安全准确，临床应用价值高，值得推广。
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