production model短语¹⁴⁴⁹⁷²⁺² 基本例句 成批生产模型,生产模型 The first production model offered horrible conditions for its crew it had no air-conditioning, an essential necessity for patrols on the South China Sea. 最初生产型为它的乘员提供恶劣条件，因为没有空调，这是对在南海上巡逻一个必要的需求。 globalmil