heavy mill housings 大型机架
medium and heavy mill 中厚板轧机
heavy plate mill 宽厚板轧机 ; [机] 厚板轧机
heavy-duty mill 重型铣鞋
heavy merchant mill 大型条钢轧机
Among drawings by less well known artists is an oil on paper by Louis Jean-Jacques Durameau which captures the hard and heavy Labour of workers in a paper mill.
这些作品中最鲜为人知的是杜拉莫的布面油画，他描绘了造纸厂工人辛劳繁重的工作场景。
Do not use any sort of heavy machinery — drill press, lathe, or mill; it will not be safe.
不要用像钻床、车床、磨坊等重型器械，这样不安全。
General loading condition of rolling mill bearings is medium - heavy load and shock load, thus the most suitable material is carburising bearing steel.
轧机轴承一般载荷条件是中重载荷和冲击载荷，因此，最适用的材料为渗碳轴承钢。
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