water line connectorwear plate运水管道转接头耐磨板
center line through plate中线贯通板;中纵通板
line copper plate线条铜版
line-plate reactor线板式反应器
line printing plate线划版;详细翻译
line copy plate线划版
line-plate of receiving cone受料斗衬板
line-plate of charge distributor布料器衬板
pressing line plate压线板