Directional control valve
[化] 定向控制阀
🧩 词语组成解析
vt. 控制;管理;限制;支配;
n. 支配权;操纵者;(对国家、地区、机构等的)管理权;(键盘上的)控制键;
n. 阀;真空管;(管乐器的)活栓;(心脏的)瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
I give up, I don't know what you're talking about.
我投降了,我一直都听不懂你在说什么。
He's been everywhere.
他到处都去过了。
But people are often reproached for unpunctuality when their only fault is cutting things fine.
但有些人不准时常常因为掐钟点所致,
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