Duplex piston pump
[化] 双缸活塞泵
🧩 词语组成解析
duplex
[['dju:pleks]]
a. 双的, 复式的, 双联的, 二重的, 二倍的\\n[计] 双重的; 双工操作; 双工的; 双的; 双向的
piston
['pɪstən]
n. <机>活塞;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Did you bring me what I ordered?
你拿来的是我所点的吗？
We are prepared to reconsider amending the contract.
我们可以重新考虑修改合同。
She didn't visit her step-mother much, though I believe that they used to speak on the phone from time to time.
她不常看望她的继母，虽然，我相信她们过去时不进在电话里聊一聊。