词汇	攸尔
释义	攸尔 yōu ěr笑貌。
随便看	casing of a boiler casing of column casing of switch casing opening lateral drilling casing O-ring casing pack casing packing fluid casing paper casing patch casing patch tool casing perforating casing perforation casing perforator casing pipe casing-pipe cutting casing pipe for air casing pipe installation casing pipe protection Casing pipes casing plane distribution casing plug joint casing ply casing point casing power tong casing preparation department