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Constant Flow Valve and the constant flow regulating valve are different: there is only one fixed flow valve valve from the valve directly feel before and after the differential pressure valve, the implementation of change in valve resistance action can be "direct action type variable resistance valve "It should not regulate the flow line, so the use of Constant Flow Valve can not be implemented to change the total flow of energy to run, and this set the flow valve as there are no imports of expensive, in the past, domestic heating systems seldom used, and only at some central air conditioning system to see.

定流量阀和恒流量调节阀不同的是：定流量阀只有一个阀瓣，由这个阀瓣直接感受阀门的前后差压，执行改变阀门阻力的动作，可成为"直动式变阻力阀"，它不能在线调节流量，因此使用定流量阀无法实施改变总流量的节能运行，而且这种定流量阀国内没有，进口的价格昂贵，以往国内的供暖系统很少采用，只有在一些中央空调系统中见到。

Constant Flow Valve and the constant flow regulating valve are different:there is only one fixed flow valve valve from the valve directly feel before and after the differential pressure valve,the implementation of change in valve resistance action can be"direct action type variable resistance valve",闸阀;It should not regulate the flow line,so the use of Constant Flow Valve can not be implemented to change the total flow of energy to run,and this set the flow valve as there are no imports of expensive,in the past,domestic heating systems seldom used,and only at some central air conditioning system to see.

订流量阀和恒流量调节阀不同的是：定流量阀只需一个阀瓣，由这个阀瓣直接感受阀门的后后佳压，执行转变阀门阻力的动做，否成为"直动式变阻力阀"，facebook外白板，它没有能在线调节流量，研建课，因己运用定淌量阀无法实施改变合流量的节能运行，而且这种定流量阀海外不，入口的价钱昂贵，以来国内的供暖体系很少采用，只需在一些中央空调系统内见到。

A topological space is an minimal CH space if and only if each open CH-filterbase with only one adherent point converges to this point.

4拓扑空间 X是极小 CH空间，当且仅当对任意的 x∈X和任意开 CH滤基μ，若{ x}=∩U∈μU=∩U∈μcl U，则μ是 x的一个邻域基。

The only advantage of this type of mattress is its adjustability, which is only an advantage to those who enjoy varying firmnesses.

唯一的优势，这种类型的床垫是它的适应性，这是唯一的一个优势是谁享有不同

We are each of us angels with only one wing,adn we can only fly while

我们每个人都是独翼的天使，飞翔时要相互依赖。

I join great master only here a skill, want to apply adroitness only, have a plenty of PR value later, also need not worry again do not have good rank.

这里我只交大家一个技巧，只要运用熟练，以后有的是PR值，再也不用担心没有好排名了。

Only time can prove you are timeless, and only adulteration can demonstrate you are unadulterated.

在创造我的时候，你已将那形象铭刻于我记忆的母板，而只有时间才能显示你的永恒，只有沧桑才能显示你的纯粹。

For the afterworld is an unknown that can neither be proved nor disproved, but the contemporary world is a reality, and this life is the only life that we know of, and this is the only existence that we are aware of possessing.

后世是无法知道的，它不能被证明或反驳，但是当今的世界是一个现实，在此时期的生活是我们唯一知道的生活，这是惟一我们认识到的属于我们占有的生活。

To correct direction, first only the air hammer among located in the position corresponding to the correcting direction is actuated and only the ground in the correcting direction is drilled by a predetermined amount.

在方向修正时先仅使其位置与修正方向相对应的气锤工作，仅对该修正方向的地基按规定量进行挖掘。

Among her serial works named Hero,one depicts like this:on a desolate ground only with root remained,a plane which was supposed to enter into the air lane stayed on a root,a self-assured young pioneer with a hat receiving alien messages holds a spade but could not find a green land to irrigate,only leaving the red scarf fluttering…..

在她的命名为hero的系列作品里边，有一件作品是这样的：在一片只剩下树根的荒漠的土地上，一架本该进入航道的飞机却在某个树根上搁浅，一位踌躇满志头戴"接收外星人信号"帽子的"少先队员"拿住一把铁锹却找不到可以灌溉的绿地。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。