國文屋

位置:首頁 > 造句 > 

“H70”造句,怎麼用H70造句

造句3.32W

In this paper, the mechanism of electrochemistry corrosion of the tractor radiator brazed with brass (H90 and H70) and Sn-Pb filler metal was investigated.

H70造句

研究了採用黃銅(H90、H70)和錫鉛釺料釺焊而成的拖拉機水箱電化學腐蝕機理。

標籤:H70 造句