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钢板防护罩是由2-3m m厚钢板或不锈钢板冷压成形而成的。
Steel shield is 3mm thick plate by 2 - or stainless steel sheet cold forming and become.
youdao
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钢板防护罩是由2-3m m厚钢板或不锈钢板冷压成形而成的。
Steel shield is 3mm thick plate by 2 - or stainless steel sheet cold forming and become.
youdao