... 敏感作用:sensitization 灭火粉:fire fighting powder 秒延迟爆破:ds blasting ...
基于90个网页-相关网页
fire-fighting powder 灭火干粉
Dry Powder Fire-fighting System 干粉灭火系统
dry powder fire fighting vehicle 干粉消防车
SGL Powder fire-fighting systems 干粉灭火系统
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