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Explosion prevention and protection in underground mines - Protective systems - Part 2: passive water trough barriers.
地下煤矿的防爆和保护。保护系统。第2部分：钝态水槽屏障物。
youdao
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Explosion prevention and protection in underground mines - Protective systems - Part 2: passive water trough barriers.
地下煤矿的防爆和保护。保护系统。第2部分：钝态水槽屏障物。
youdao