发布时间:2025-01-30 22:11:24
镀层附着力测试:将3M胶纸贴在用百格刀划过的产品表面,贴紧后以45度方向迅速拉起镀层无脱落、气泡现象。
扑灭电气火灾应该选用什么灭火器 扑灭电气火灾应该选用哪种灭火器
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