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对钢板无侵蚀性的气体。
Do not have caustic gas to rolled steel.
youdao
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它可以开始直接在气体，这个系统是独一无二的。
It can be started directly on gas, which is unique for this system.
youdao
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它可以开始直接在气体，这个系统是独一无二的。
It can be started directly on gas, which is unique for this system.
youdao