In addition screw pump has simple structure, less parts, compact size, light weight and a series of characteristics.

此外螺杆泵还具有结构简单，零件少，体积紧凑，重量轻等一系列特点。

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The air entering and expelling and blowing device for air cylinders connected in series has the advantages of simple structure and light weight.

这种串联气缸的进排气及吹气装置，它结构简单，重量轻。

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KT series fans is a state key new product with advantages of compact size, light weight, low noise high efficiency and easy installation.

KT系列离心通风机具有体积小、重量轻、噪声低，效率高、安装方便等特点，为国家重点新产品。

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The new Lenovo IdeaPad S Series laptops give everyday consumers exactly what they need by matching small size and light weight with the power needed for everything from Web browsing to productivity tasks, all in an affordable package.

ENGADGET: Lenovo announces IdeaPad S300, S400 and S405 notebooks for $499 and up