Wall bushing
[电] 穿壁套管
🧩 词语组成解析
n. 轴衬, 套管\\n[化] 衬套; 管衬; 轴瓦
🗣️ 情景例句
Consider the cost before you decide.
你决定前要先考虑费用问题。
How much does it coat?
它值多少钱？
It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered.
她刚看见它，它就立刻逃走了。专家证实，美洲狮非被逼得走投无路，是决不会伤人的。