How to keep constant temperature in production floor during winter time?
在冬季，车间里是如何做到温度的恒温的？
Tension is steady : Wrapping and take up tension keep constant from start to end;
包带及收线张力从空盘到满盘保持恒张力；
The cancellous bone porosity basically keep constant along the transversal direction.
松质骨孔隙率在垂直于轴向的方向基本不变。
It's a constant struggle to try to keep them up to par.
要使他们达到标准是一场持久战。
If I keep the pressure constant.
当我保持压强恒定。
And I have a certain velocity, and I keep that velocity constant.
我有一定速度，且保持那个恒定速度。
就假定保持a恒定不变。
So, here that means we keep y constant.
这意味着，y保持为常数。
Brands need constant change to keep up with consumers.
品牌需要不断地变化来迎合消费者。
保持燃油流动量均匀。
The factory tries every means to keep the lowest constant cost.
这家工厂想方设法控制最低的固定成本。
As long as you keep the pressure constant.
只要压强是恒定的。
So we don't have to keep the speed constant.
不用保持速度恒定。
Vents, usually at the wing tips or tail, keep the pressure constant.
通气孔通常在翼尖或尾部，这些通气孔可以保持压力恒定。
Life is like riding a bicycle, to keep balance will be constant motion.
生活就像骑自行车，要想保持平衡就要不断运动。
People are always changing, keep a constant moral commitment, but keep a fickle heart.
人老是变的，守住一个不变德承诺，却守不住一颗善变的心。
Keep a constant promise, but keep a fickle heart.
守住一个不变的承若，却守不住一刻善变的心。
It's a constant grind, so there's not a lot of time to keep up with each other.
这是一个不断研磨的地方，所以没有太多的时间来与对方保持联系。
The shopkeepers were told to keep the suspected man under constant observation.
这些店主接到通知，让他们继续监察视那个可疑的男人。
Beavers often build DAMS to keep the water of the pond at a constant level.
河狸常常修筑堤坝，使水塘的水位保持不变。
Keep a constant kick going through the entire sequence.
保持一个常数，通过踢去的整个序列。
A man should keep his friendship in constant repair. -samuel Johnson, British writer.
只有经常“浇灌”，友谊方能天长地久。—塞缪尔·约翰逊，英国作家。
Airlines are under constant pressure to keep their costs down.
航空公司保持成本的压力很大。
I keep the speed of my car constant.
我使我的汽车速度恒久不变。
A man should keep his friendship in constant repair.
只有经常“浇灌”，方能保持友谊天长地久。
It is necessary to keep the preload constant over the speed range of the spindle.
保存在纱锭的速度范围上的预载常数是必需的。
Thee factory tries every means to keep the lowest constant cost.
这家工厂想方设法控制最低的固定成本。 。
Assertive teachers with a constant eye on these students can keep them in line.
凶一点的老师，只要使个眼神就能使他们归队。
However, keep up the good work as constant practice is the only way to improve.
然而，持续好的工作如常数练习是改良的唯一方法。
However, keep up the good work as constant practice is the only way to improve.
然而，持续好的工作如常数练习是改良的唯一方法。
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