Electrode for arc welding consists of the core and the coat.
电弧焊的焊条是由焊芯和药皮两个部分组成的。
The development of the ceramic coat plug valve core which substrate USES 45 steel is introduced.
介绍了基体采用45钢，表面喷涂工程陶瓷的旋塞阀芯的研制情况。
The results show that the particle size of core is the principal factor affecting the coat effect of fine TATB-BTF core-shell composite particles.
结果表明，核粒大小是影响超细TATB - BT F核-壳型复合粒子包覆效果的主要因素。
Single-stranded copper core can be provided fire retardant safety wire joint or tin coat.
单股铜芯线可采用阻燃型安全压线帽或刷锡。
Single-stranded copper core can be provided fire retardant safety wire joint or tin coat.
单股铜芯线可采用阻燃型安全压线帽或刷锡。
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