Use special motor to drive the rolling center shaft to rotate, to achieve the shutter switch, when the motor is set to the upper and lower limits automatically stop.

用专用电机带动卷帘中心轴转动，达到卷帘开关，当转动到电机设定的上下限位时自动停止。

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Align the wrists perpendicular to the floor and center your weight on the edge of the forearm bone, rolling neither in nor out.

使腕骨立起来垂直地板，将体重放在小臂骨的边缘，小臂既不要内旋也不要外旋。

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The results showed that the bubbly defects were caused by banded inclusion lied in steel slab from mould powder and plastic deformation were not consistent from center to the surface during rolling.

鼓泡主要是在钢坯皮下由保护渣形成了层状夹杂，导致冷轧原料板出现分层，从而在轧制过程中心部、表面的塑性变形不一致而形成。

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Garnett got a technical in the second quarter and tangled up Kris Humphries for a jump ball that had the Celtics star rolling over the Nets' center midway into the fourth.

WSJ: Williams carries Nets to 101-93 win over Celtics

Elsewhere, severe thunderstorms moving in from the Gulf of Mexico are expected to dump from 2 to 6 inches of rain over New Orleans, Louisiana, and Montgomery, Alabama, according to CNN's weather center, before rolling up toward Atlanta.

CNN: 30 million in path of winter storm

On Wednesday The Rolling Stones announced their "50 and Counting" tour which will kick off in Los Angeles at the Staples Center on a date to be determined.

CNN: Rolling Stones announce new tour