Headloss
扬程损失
🗣️ 情景例句
Hello. Mr. Carlson, please.
哈喽 ，请找一下Carlson先生。
Brave actions never want a trumpet.
勇敢的行为不须要吹号。
On the farm, everything begins to grow.The trees turn green, and the flowers start to come out.
农场里，各种作物开始生长。树木变绿，鲜花盛开。