... 焊接烟尘容限浓度：threshold limit values of weld fume 焊接烟尘浓度：weld fume concentration 焊接性窗口：weldability windows ...
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Conclusion weld fume concentration is effectively controlled during taking comprehensive improvement measures in the welding workplace producing container.
结论在综合治理措施的实施下，集装箱焊接车间的焊接烟尘浓度得到有效控制。
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