Instroke
排气行程, 压缩行程, 内向冲程
🗣️ 情景例句
That could solve your problem, Marilyn.
这样可以解决你的问题， Marilyn。
I'm going to call a plumber to come this afternoon.
我将叫一个管道工今天下午来。
The world had to wait almost another 100 years for the Channel Tunnel.
世界不得不再等将近100年才看到海峡隧道竣工。