Cyclone of a regenerating system in a catalytic cracking unit in the Changling Oil Refining Plantcan not be protected by using conventional linner of alumina because of its small size.

长岭炼油厂新型催化裂化装置再生系统旋风分离器尺寸小，不能采用常规氧化铝内衬保护。

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QUBIK inertial measurement unit is a new inertial system which is characterized by small size, light mass, high ruggedness, low cost, simple structure and adequate accuracy.

QUBIK惯性测量装置是一种新的系统。它具有尺寸小、质量轻、坚固、成本低、结构简单和中等精度等特点。

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Design of flexible, easy to install: the overall design, attractive appearance compact unit, the installation of small size;

设计灵活、安装方便：整体式设计，机组外形美观紧凑，安装面积小；

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There's a second alternative: A growing number of New Yorkers are going for duct-free AC systems that involve a small, wall-mounted indoor fan powered by a separate outdoor unit the size of suitcase.

WSJ: Ugliness for All