Dual check shall have two top-mounted covers for in-line service.

双止回阀应该具有两个用于在线维修的、安装在顶部的盖子。

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Air conditioner is top-mounted with functions of cooling and heating.

空调为顶置式，具有冷热两种功能。

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The top-mounted swivel blaster has a gunner's saddle, and is best operated by a third clone trooper, seated outside the walker's armored cabin.

装在顶部的可旋转爆能炮有一个炮手座位，最适合第三名克隆人士兵操作，他坐在步行机的装甲舱外面。

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Positioned as a small speaker with big sound, the ovular unit features a top-mounted Lightning dock for iPhones and iPod Touches.

ENGADGET

Weighing in at just over a pound, the inMotion Air's sleek industrial design features top-mounted controls, soft-texture finish and an ergonomic handle in the back for easy carrying.

ENGADGET: Altec Lansing's inMotion Air speaker system streams from just about anywhere

Top-mounted exposure compensation and mode dials are strategically placed for simple access and operation, while custom function and AEL buttons on the back panel are also easily accessible.

ENGADGET: Sony's Cyber-shot RX1 compact camera packs a full-frame sensor, 'fits in your palm' (hands-on)