短语
平头对接
[木]
square butt joint
平头对接焊缝
square butt weld
;
plain butt weld
留隙平头对接缝
open square butt groove
;
square butt groove
平头对接接头
plain butt joint
;
square butt joint
平头开口对接焊缝
open square butt weld
平焊对接接头
downhand butt joint
平头开口对接焊
open square butt welding