英语语法分析

The quality of the resistance and arc welding in the welding of deoscillator are compared.

比较电阻焊与弧焊在减震器焊接中的优劣。

The welding characteristics on the double end cover of deoscillator stock tank are analyzed all-sidedly.

全面分析了减震器储油缸两端端盖的焊接特点。