Characteristics of different drawing types using in spunbonded nonwovens production are introduced in the paper. Its different using range is explained.

介绍了纺粘法非织造布生产过程中所采用的不同的牵伸方式的特点，说明了其不同的使用范围。

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The concreteness and abstraction of drawing arts, both of which connect and vary, make up the basic form of drawing works and the tow supporting points for drawing types.

绘画艺术的具象性和抽象性相互区别又相互联系，共同构成绘画作品的基本形态，是绘画样式的两个支撑点。

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There are various types of lines on the drawing such as: border lines, visible lines, invisible lines, break lines, phantom lines.

图上有各种形式的线条，诸如：边框线、实线、虚线、剖面线、中心线、引出线、尺寸线、断裂线、假想线。

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Features include importing of images, four customizable pen types for drawing, adding text and applying color themes.

ENGADGET: Adobe brings Touch Apps family to Android tablets, Creative Cloud looms on the horizon