step gating system的意思|示意
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阶梯浇注系统
step gating system的网络常见释义
阶梯式浇注系统 ...阶梯式浇注系统 [gap=1305]Key words: technology and equipment of casting; large steel casting; filling; step gating system ...
step gating system相关短语
1、 step type gating system 阶梯式浇注系统