英语词汇downward welding怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	downward welding
释义	downward welding 简明释义平焊，俯焊：指焊接过程中焊枪的位置朝下，焊接方向朝上的一种焊接方法。网络释义 1 ?平焊 ... downward spiral向下旋转；螺旋式下跌；减记恶性循环 downward movement向下运动 downward welding平焊，俯焊 ... 短语 1 vertical downward welding 向下立焊 2 vertical-downward welding 从上到下立焊 3 verticing downward welding 向下立焊双语例句 1 In horizontal position welding, the gravity makes molten metal flow downward and sometimes causes weld defects such as undercut and overlap. 横向焊接时由于熔化金属重力的作用，会引起熔池金属下淌，从而产生咬边以及焊瘤等焊接缺陷。
随便看	turn out someone turn out something turn out sth turnout survey turn out that turn out the gas turn out the guard turnout tie turnout time turn-out time turn out to turn out to be turn out to be wrong turn out to do turn out to grass turnout track turnout track turn out wall turn out well turnout zone Turnov turn...over turn over turn-over turnover

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