Very convenient and practical 非常的方便和实用
convenient practical 方便实用
Practical And Convenient Use 实用方便
Very Practical And Convenient 非常实用方便
It will be significant to the drawing of mechanical patterns if we design a kind of practical, convenient drawing method of a section line which can be easily mastered and operated.
设计一种方便、实用且易于掌握和操作的剖面线绘制方法，对机械图样的绘制具有重要意义。
It is very simple, practical, convenient and reliable and enables broadcasting automatically and program making digitally.
该系统简单、实用、方便、可靠，为实现广播节目制作数码化和播放自动化提供了可能。
Features: waterproof, anti-skid, environmental, practical, convenient and quick installation.
特点：防水、防滑、环保、实用，安装方便快捷。
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