Pneumatic piston actuator
[化] 气压活塞传动装置
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
n. 开动者, 激励者, 致动器\\n[计] 传动装置, 驱动器, 激励器
🗣️ 情景例句
I'm starving, aren't you?
我饿了，你呢？
No,he doesn't have one.
不，他没有。
The guests had, of course, realized this from the moment Bessie opened the door for them and, long before the final catastrophe, had had a difficult time trying to conceal their amusement.
客人们自然从贝西为他们开门那一刻起就看出来了，在好长一段时间里，即最后这个乱子发生前，他们努力克制才没笑出声来。