Ion gate is one of the important parts in an ion mobility spectrometer. The main function of the ion gate is to control the ions to fly into the drift tube in pulse mode.
离子门是离子迁移谱仪的一个重要部件，主要作用是用来控制离子以脉冲的方式有效地进入迁移管。
The wet type dust-removing apparatus comprises a venturi tube, a cyclone body, a wet cap, a foam dedusting chamber, a water blocking gate, a water supply system and an inducing draught device.
该除尘器装有文氏管、旋风体、湿帽、泡沫除尘室、挡水栅、供水系统和引风装置。
Buckley and I descend into the Tube and travel two stops on the District Line to Notting Hill Gate, an early Tube station that opened in 1868.
巴克利和我进入地铁通道，在区域线上乘坐了两站到达诺丁山门，诺丁山门是1868年开通的一座早期地铁站。
Qian in picture in Tang the gate has an upturned eave re-Lou Xieshan -like tower over a city gate, extends five, the ash tube tiled roof-peak;
照片中的钱塘门上有一座飞檐重楼歇山式的城楼，宽五间，灰筒瓦顶；
The invention discloses a jet pipe used for dredging below a hydraulic underwater horizontal gate. The tube body of the tube is cylindrical;
本发明公开了一种液压水下卧倒门闸的闸下清淤用射流管。
Besides, a notable vortex rope and a reverse flow structure exist in the draft tube in smaller wicket gate openings, which can easily lead to the instability in operation of the pump-turbine.
此外，发现开度较小时尾水管内存在明显的涡带和回流涡结构，容易导致机组运行的不稳定；
Besides, a notable vortex rope and a reverse flow structure exist in the draft tube in smaller wicket gate openings, which can easily lead to the instability in operation of the pump-turbine.
此外，发现开度较小时尾水管内存在明显的涡带和回流涡结构，容易导致机组运行的不稳定；
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