“打孔”的英语

打孔的地方表示正确答案.The places where the holes are punched out mark the right answers.(列车)乘务员用剪票夹在我们的车票上打孔(验票).The train conductor punched our tickets.如果汇水面积大于天沟排水能力, 可以在天沟底部打孔.For catchment areas greater than gutter capacity, s...

“打孔”的拼音为：dǎ kǒng...