Last October the first batch of low-alloy channel steel was successfully rolled.

去年10月，成功地轧出了第一批低合金槽钢。

The first batch sold out in just a few hours.

第一批Kindle在几小时内就销售告磬。

China trains first batch of female copter pilots.

中国培养首批女性直升机飞行员。

Is one of the first batch of open coastal cities.

是全国首批沿海开放城市之一。

The first batch is scheduled to arrive on Tuesday.

第一批活动房屋预定周二运抵。