开始生产to go into production

• 开工期

  production starting date

• 开工设备

  production equipment

• 开工不足

  operate below capacity

• 新工厂本月底就可开工。

  The new factory can go into production at the end of this month.

• 工厂开着工

  the factory is in production

• 机器未修理好之前，没法开工。

  There's no way to start production until the machines are repaired.

开始修建to begin construction