welding alloys造句

"welding alloys"是什么意思

造句与例句手机版

Ferroboron ( 15 % boron ) is used to introduce boron into steel; nickel-boron alloys are ingredients in welding alloys and case hardening compositions for the engineering industry.
It's difficult to see welding alloys in a sentence. 用welding alloys造句挺难的

相邻词汇

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