The differences between the coal drawing face and non-coal drawing face are low stowing factor in the goaf, vigorous movement of roof, and high stress peak abutment pressure along the strike.

放顶煤工作面与非放顶煤工作面的区别是，采空区充填系数小，顶板岩层运动剧烈，走向方向超前支承应力峰值较大。

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The purpose of the drawing is to show us that in the face of seemingly insurmountable challenges or predicament, possessing self-confidence is of utmost significance.

这幅漫画的目的是告诉我们在看似不可克服的挑战与困境面前，最重要的是拥有自信。

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You attach this single sheet by drawing it across the iPad’s face as though you’re making a bed. With a satisfying clicking sound, hidden magnets anchor the thing solidly to the iPad’s face.

你将这个单层的盖板盖上iPad的表面就像是给它一张床，随着一声点击声音，隐藏的磁性锚点就与iPad表明结合在一起了。

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Wherever Boggs was, he drew the local currency by hand, and whenever he wanted to buy something, he offered his drawing at face value.

FORBES: J.S.G. Boggs' Counterfeit Money Is Worth More Than The Real Thing. Are You Buying It? [Book Excerpt #2]

Certain idiotic-sounding behaviors that create a bond: drawing a smiley face on a check, doling out after-dinner candy, wearing a funny necktie or forecasting good weather.

WSJ: Tips for Waiters

"A wide collar can broaden a narrow neck and face by drawing the eye outward, " says Mr. Julian.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face