... open-burning coal 长焰煤 (非炼焦的 )，非结丝性煤 open-butt weld 开口对焊 open-circuit characteristic 开路特征曲线 ...
基于10个网页-相关网页
open butt weld 开口对接焊 ; 留隙对接焊缝
open square butt weld 平头开口对接焊缝 ; 平头开口对接焊
open-double-bevel butt weld 双面坡口对接焊
open-single-bevel butt weld 单面坡口对接焊
应用推荐