... 面管时间 tube time 管状的颗 粒 tubular grain 滚筒式双面打印 tumble duplex ...
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管状药柱 tube-shaped grain; tubular grain 粒状药柱 granular grain ..
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full-size tubular grain 全长内腔管状药柱
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English Name:Welding consumables - Tubular cored electrodes for metal arc welding with and without a gas shield of non alloy and fine grain steels - Classification;
简体中文标题：焊接材料。带和不带气体保护的合金钢以及细晶粒钢电弧焊用管状焊条。分类。
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