Air-Lift Sludge Blanket 气提式污泥床 ; 前经气提式污泥床
I got to picking up papers apprehensively—much as one would lift a desired blanket which he had some idea might have a rattlesnake under it.
从此,我一拿起报纸就忐忑不安——就像某人想拿起一条他渴望得到的毯子,却担心下面有条响尾蛇一样。
Press the backs of your upper arms and the tops of your shoulders actively into the blanket support, and try to lift the upper spine away from the floor.
积极地把前臂的后侧和肩膀的顶端压向垫子,努力提起脊椎的上部离开地板。
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