Merilising
(钢的)磷化处理法, 磷酸盐表面处理法
🗣️ 情景例句
I'm going to play with a group of friends.
我打算和朋友一起玩。
Do you have an umbrella?
你有雨伞吗？
Hawkwood made large sums of money in this way.
霍克伍德用这种方法挣了大笔钱。