Flowmeters
na. 流量计; 流速计
🗣️ 情景例句
He is in a good mood.
他的心情很好。
Out of debt,out of danger.
脱债就脱险。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。