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But my most memorable gift was not a toy. It was an aquarium, complete with an air pump to aerate the water.

但最让我难忘的礼物不是玩具，而是一个带空气泵、能通气的鱼缸。

But my most memorable giftwas not a toy. It was an aquarium, complete with an air pump to aerate the water.

但最让我难忘的礼物不是玩具，而是一个带空气泵、能通气的鱼缸。

It was an aquarium, complete with an air pump to aerate the water. Raising all those fish was such an adventure for me.

所以这些美好的回忆让我肯定地回答：毫无疑问，圣诞节是一年中最美好的日子。

Finally, the simulated curves are analyzed to offer some useful information about improved design of aeronautic ram pump.

最后对比分析了仿真曲线，给此泵源系统的改进设计提供了有益依据。

All of our equipments were brought in from Taiwan and Germany. Our company mainly accepts OEM business and produces stainless steel valve, pump, ship hardware,construction hardware, impeller and other precise mechanical parts. The products are used for many industries such as chemicals, petroleum, hydro-machine, medical appliance, vehicle, ship, weapon, sports instrument, construction fitment and aerostat, etc.

浩宇精铸的全套设备从台湾和德国引进，公司主要以承接客户的委托加工，生产不锈钢阀门、泵、船用五金、建筑五金、叶轮以及其他各种精密机器零件，产品服务于化工、石油、流体机械、医疗器械、车辆船舶、兵器、运动器械、建筑装潢、航天航空器等广泛领域。

In the diagnostic expert system of a set affusion pump employs such a principle.

在某油田注水泵机组故障诊断专家系统中应用了此种原理。

To improve performance, there is a pump is usually an agitator.

为提高性能，泥浆泵通常安有一个搅拌器。

Though the A/C automation control system, we can operate, manage, collect the running data and pre-diagnose all the HVAC devices in on single central computer, the computer can communicate with chiller, water pump, cooling tower, piping system and AHU through the DDC.

通过空调自动化系统可以对空调主机、空调末端、水系统、冷却塔等子系统进行监控和管理，通过集散型的控制系统，用户可以实现自己的管理和控制的意图[5]。

According to evaluation of the thermal, hydraulic, environmental and mechanic characteristics and energy performance of building and VAV air-conditioning system, and evaluation of the control performance of local control loops using the simulator of VAV system, this paper presents five on-line supervisory control strategies for local control loops: on-line optimization of VAV supply air static pressure set-point, on-line optimization of AHU supply air temperature set-point, on-line optimization of on/off set of CAV sub-system, on-line optimization of outdoor air set-point and on-line optimization of chilled water secondary pump pressure set-point.

通过数字仿真器对建筑物及其变风量空调系统的热力、动力、环境和能耗等运行特性的模拟，以及对系统常规采用的下位机控制回路可控性和稳定性等控制特性的研究和分析，本文先从局部的角度开展了系统局部优化的研究。提出并在仿真器上分别实施了VAV送风静压设定的实时优化，AHU送风温度设定的实时优化，CAV子系统开／停的实时优化，新风量设定的实时优化以及二级泵冷媒水供水压差设定的实时优化。

Moreover, is not only Shan Taibeng or the air blower work, to the pump or air blower's union movement's research, uses this method also to be able to have the very good effect.

而且，不仅仅是单台泵或风机工作，对泵或风机的联合运行的研究来说，使用这种方法也能起到很好的效果。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。