Bonderite
(钢的)磷酸盐处理层(薄膜防锈处理层)
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
I'm practising tai chi chuan in the park.
我在公园打太极拳。
I think we need to discuss the fifth clause.
我想第5条需要讨论一下。