upper tiers翻译

upper tiers的基本解释

读音: 美: 英:

上层

例句

Thee main armament type for the majority of aircraft of medium and upper tiers will be the 20-23 mm cannons.23 mm口径机炮是大多数中级和更高等级的战机的主要武器。
Yes, the demographic CMAA member clubs serve is one that has significant disposable income. They fall into the upper tiers of the earnings brackets.的确，CMAA会员俱乐部属于高收入阶层，他们有能力在设施良好的场地打球。
Machine hall consists of two tiers: on the upper one there are generators and turbines, on the lower - pumps and pipelines. It is quite hot in the hall and rather noisy.机械大厅由两层组成：上一层是发电机和汽轮机，下层是泵和管道。大厅内异常闷热嘈杂。
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