Orograph
山形仪, 断面绘图头
🗣️ 情景例句
Oh, that's a nice idea.
噢， 这是个好主意。
We know that you are leading exporters of coal and you can provide the quantity we need.
我们知道贵方是主要煤炭出口商，能满足我们的需求量。
No.
没有。