gas-welding heat 中文意思是什麼
gas-welding heat
解釋
氣焊熱-
Wedlding consumables - tubular cored electrodes for metal arc welding with or without a gas shield of stainless and heat - resisting steels - classification
焊料.不銹鋼和耐熱鋼的有或無氣體保護金屬極電弧焊接用藥芯焊條.分類
分享友人