峡谷前灯——保障工作人员的安全，你我都有责任！

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2018-04-02 Tools&Equipment 1893 3 12

China · Office Products

2018-04-02 Tools&Equipment 1893 3 12

China · Office Products

12 6

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赞！

这样的好设计，需要早日研发出来。

工人的安全问题的确要重视起来！

windy

China · Office Products

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