Welding backing
[化] 焊接衬垫
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
Out with it!
说出来吧！
He that walks with wise men should be wise.
与智者行即得其智。
Please push the ladder against the wall.
请把梯子靠在墙壁上。