roughing pass

pass through的翻译中文意思-在线英汉词典 ... root pass 根部焊道 roughing pass 粗轧孔型 round pass 圆形孔型 ...

直角三角形_馆档网 ... "粗泥砂浆(铸造)"," roughing loam" "粗轧型槽"," roughing pass" "粗砂"," roughing sand" ...