draw-off valve 排水阀 ; [机] 泄水阀 ; 排污阀
draw-off pipe 排油管 ; 排污管
draw-off pump 抽取泵 ; 抽汲泵 ; 排水泵
draw-off tank 抽水罐
draw off belt conveyor 抽取用皮带输送机
draw-off temperature 取水温度
draw-off 排出物 ; 牵拉 ; 取水
draw-off godet 导丝盘 ; 拉伸盘
draw-off gear 拉拔装置
V to cause (a liquid) to flow from something 使(液体 )倾泻
Draw off your gloves and wash your hands.
摘掉你的手套洗洗手。
The villagers had to draw off because of the flood.
由于洪水的缘故,村民们不得不撤走。
Thee villagers had to draw off because of the flood.
由于洪水的缘故,村民们不得不撤走。
In fact, you don't have to draw it this complicated way, you could just draw it as a line with and hanging off of it, and you would know that that's a DNA molecule four bases long.
实际上你不必画的这么复杂,你只要画几个线条并标明连接的碱基,别人就能知道它是含四个碱基的DNA
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