Parshall
巴歇尔氏测流量装置
🗣️ 情景例句
I go camping in the mountains to enjoy the fresh air.
我去山中宿营以享受新鲜的空气。
East or west, home is best.
在家千日好，出门时时难。
When he woke up, he was still on the mattress.
他醒来时，仍然躺在床垫上。