采用尺寸大小适中的扳手松开止回阀阀盖。宁松止回阀阀盖并将其取出来。
Using an appropriate sized wrench, loosen the check valve cover. Unscrew the check valve cover and lift it off.
他们在听专家讲解，她是史密斯松宁主管陨石的专家。
They were listening to an expert who is in charge of meteorites at the Smithsonian.
丹宁圆润， 充满浓郁的黒松露、巧克力和香草橡木味道。
Smooth tannins texture , concentrated black fruits , truffle , chocolate and vanilla oak taste.
目的研究肌松药卡肌宁对大鼠术中复合肌肉动作电位（CMAP）的影响。
Objective To study the effect of tracrium on compound muscle action potential(CMAP) in rats.
目的研究肌松药卡肌宁对大鼠术中复合肌肉动作电位（CMAP）的影响。
Objective To study the effect of tracrium on compound muscle action potential(CMAP) in rats.
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