平头开口对接焊
词语: 平头开口对接焊
解释: open square butt joint
词典: 造纸专业汉英词典
平头开口对接焊 相关解释
open square butt joint 〔名词〕无坡口留隙对接
open square butt joint 〔名词〕平头开口对接焊
平头开口对接焊 open square butt weld
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