查询词典 valves

The first artificial vacuum had been produced a few years earlier by Evangelista Torricelli, and had inspired von Guericke to design the world's first vacuum pump, which consisted of a piston and cylinder with one-way flap valves.

人工的真空几年前就由伊凡杰利斯塔。托里拆利创造出来，这一直启发冯。格里克发明世界上第一个真空泵，它由活塞和汽缸组成，并带有单向片状阀。

Crews worked feverishly Safety valves Tuesday to close that gate, which keeps water out of the Old Towne area of Slidell.

周二人员奋力关闭这扇门，它保持了对旧城的斯莱德尔面积水。

The "lub" is the sound of the mitral and tricuspid valves closing.

lub声就是二尖瓣和三尖瓣关闭时发出的声音。

The "DUB" is the sound of the aortic and tricuspid valves closing.

DUB声就是肺动脉瓣和主动脉瓣关闭时发出的声音。

Series TDV Triple Duty Valves are designed for use on single, double, and vertical in-line pump applications.

系列TDV三用阀适用于单个、两个和垂直并联泵应用场合。

Seeds dispersed explosively from opening valves, without endosperm; testa smooth or tuberculate.

种子从打开裂的裂爿中爆炸传播，没有胚乳；种皮光滑或者具瘤。

Fluid leakage control one-way valves control the manner of oil and oil-leaking Type II species.

液控单向阀控制油的泄漏方式有内泄式和外泄式二种。

Figure 2 4- In order to separate the valves completely, once the muscle/s is/are cut, you must cut carefully the ligament in the umbo area.

为了完全分离双壳，请在切断肌肉后，请小心地切开壳顶的韧带

The replacement of valves and good stability and good stability of its unbalanced force changes in the smaller valve, a good guide.

3更换稳定性好的阀稳定性好的阀其不平衡力变化较小，导向好。

Reverse angle valve is intended to improve Safety valves the use of unbalanced force and reduce the wear on the spool, but also conducive to high-viscosity, easy to medium coke and flow with suspended particles, to avoid coking and blocking.

角型调节阀反向使用的目的是为了改善不平衡力和减少对阀芯的磨损，同时也有利于高粘度、易结焦和含悬浮颗粒物介质的流动，避免结焦和堵塞。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。