一般级进模中异形凹模的型面通常采用() ["铣削","线切割","电火花","磨削"]
若浇口套内主流道小端口径为6mm,则注射机的喷嘴口径是() ["5mm","4mm","3mm","2mm"]
系统集成设计分为哪几个步骤?() ["系统管理设计","系统分步骤设计","系统总体设计","初步系统设计","深化系统设计"]
某机床型号为MG1432A,其中“M”表示该机床()。 ["是车床","是钻床","是铣床","是磨床"]
CAD/CAM/CAE中CAE是指() ["计算机辅助制造","计算机辅助分折","计算机辅助设计","计算机辅助计算"]
开公司车辆时运输烟花爆竹违反中油禁令的哪一条?