Gear pumps, vane pumps and piston pumps.

The prevalence of blogs has become the new weather vane of the internet age.

博客热已经成为网络时代新的风向标.

A weather vane crowns the building.

风标高高地矗立在建筑物的顶上.

Indeed, they often regard as Derby the season a wind vane.

的确, 他们往往把德比视为赛季的一个风向标.

This device operates similarly to the vane pump.

这种装置的运转情况与叶轮泵很相似.

Each vane has a black face and a whit face.

每一桨上有一面是白的一面是黑的。

How did this weather vane of the US economy become a car crash of a corporation?

这个美国经济的风向标是怎么成为一个公司的灾难?

The large vane head automatically averages velocity volume readings.

大叶轮探头自动地对风速和风量的测量值取平均.

A set of optimum matching vane angles at design speed was found by the tests.

通过试验,找到了该压气机在设计转速下的一组最佳角度匹配.

Maotai is the price of Chinese Market breadth of the wind vane.

茅台的股价是中国股市涨跌的风向标.

Finally the simulation of discharge flow in vane pump was made.

同时对泵的瞬时流量进行了仿真.

The weather vane points North.

风标指向北.

Explain why the vanes rotate when they are illuminated.

试解释:叶片被照亮时为什么会旋转.

The ventilator in the kitchen is broken, the vanes do not turn freely.

厨房的排气扇坏了, 扇叶怎么都不转!

The aerofoils are held in place by upright vanes, or endplates.

剖面小翼被垂直叶片或终板固定在有效位置.

Do the vanes in the figure rotate clockwise or counterclockwise?

图中叶片的旋转方向是顺时针的,还是反时针的?

The casing shall have integral anti-vortexing vanes that can also facilitate maintenance.

泵壳应该配置一体化的 抗 涡流叶片,这可能有助于日常设备维护.

The exit flow fields of a turbine cascade with or without the guide vanes were investigated.

详细测量了平行进口端壁附面层与设前导叶两种进口条件下某涡轮叶栅的出口流场.

Consider a row of guide vanes in a compressible internal flow as shown below.

如下图所示,考虑可压缩内部流中的一排导流叶片.

Experimental studies have been pressurecollection efficiency of a cyclone separator with different inlet vanes.

旋风铣削法是一种较先进的高效率加工螺纹方法,适用于批量较大的螺纹粗加工.

These diffusers include vaneless diffuser, vaned diffuser, low solidity diffuser and half-guide-vanes diffuser.

采用的扩压器包括无叶扩压器 、 叶片扩压器 、 低稠度扩压器和半高导叶扩压器.