weld backing造句

"weld backing"是什么意思

造句与例句手机版

7 permanent weld backing bars , consumable inserts and nonconsumable insert rings are not permitted without prior written approval from secco
事先没有赛科公司的书面批准，不允许有永久焊接的支撑杆、熔化性嵌条和不可熔嵌环。
It's difficult to see weld backing in a sentence. 用weld backing造句挺难的

相邻词汇

用"weld all around"造句, 用"weld all over"造句, 用"weld appearance"造句, 用"weld area"造句, 用"weld assembly"造句, 用"weld bead"造句, 用"weld beading"造句, 用"weld beads"造句, 用"weld beads metal and welds-fatigue test"造句,

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