Such work is very hard batch production.

这样的工作很难批量生产。

The batch production is expensive and low output.

同时间歇式生产产量低，相对生产成本较高。

They have started batch production of the new machine.

这种新机器已经开始批量生产了。

Knowledge of production arrangement in batch production.

懂得批量生产中的生产安排。

It has relatively low price because of batch production.

因为可实现批量生产，价格相对低廉。