... 填角焊规,内圆角规 fillet gauge 锅炉舱踏格 fire room grating 锻铁 forged iron ...
基于68个网页-相关网页
... auxiliary boiler room 辅锅炉舱 boiler room grating 锅炉舱踏格 ; 锅炉舱格栅 chimney of boiler room 锅炉房烟囱 ...
基于66个网页-相关网页
-
fire room grating
-
boiler room grating
·2,447,543篇论文数据，部分数据来源于NoteExpress