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- Open and shut-down is operated by the density variati on bet ween condensation water and steam,Condesation water can drive valve directly,featuring precision and reliability. 倒置桶疏水阀的开启和关闭是根据凝结水和蒸汽的密度差来动作的，凝结水可直接驱动疏水阀启闭，其动作准确，可靠性高。
- GDC-JQelectro high vacuum butterfly valve uses electromagnetic force to directly drive valve disc working. thus to make valve opened ro closed. GDC-J型电磁高真空挡板阀是以电磁力为动力直接带动阀板动作，使阀门开启或关闭。
- Electro High Vacuum Flapper Valve GDC-JQelectro high vacuum butterfly valve uses electromagnetic force to directly drive valve disc working. thus to make valve opened ro closed. GDC-J型电磁高真空挡板阀是以电磁力为动力直接带动阀板动作，使阀门开启或关闭。
- Xia Liqun , Zhang Xinguo.Development of DDV (direct drive valve) servo actuator[J ].Journal of Northwestern Polytechnical University,2006,24 (3) :308-312. (in Chinese) . [2] 夏立群;张新国.;直接驱动阀式作动器研究[J]
- GDC-] Electro High Vacuum Flapper Valve GDC-JQelectro high vacuum butterfly valve uses electromagnetic force to directly drive valve disc working. thus to make valve opened ro closed. GDC-J电磁高真空挡板阀 GDC-J型电磁高真空挡板阀是以电磁力为动力直接带动阀板动作，使阀门开启或关闭。
- The Study of the Elasto-hydrodynamic Lubrication in Cam Drive 内燃机凸轮弹性流体动力润滑的研究
- unlocking yoke cam driving wheel 凸轮式瞬跳拨日轮
- Way-controlling valve hand drive valve module 方向控制阀,手驱动
- Miss Cam is qualified for joining the club. 兰蒙小姐有资格参加俱乐部。
- safe type magnetic force drive valve 保安型磁力传动阀
- Valve Gear Chain-driven, high cam, OHV, w/adj. 阀齿轮链驱动，高凸轮， ohv ，瓦特/形容词。
- A cam that activates another part; a wiper. 凸轮启动另一部分的凸轮; 挺杆
- According to condensed water and steam density difference,the valve automatically rise or fall along with the change of water level,opev or close the valve hole through lever driving valve core . 该阀根据凝结水和蒸汽的密度差，浮球随阀腔内水位的变化而自动升降，通过杠杆带动柱面阀芯开启或关闭阀孔。
- I've never seen a car being driven so recklessly. 我从没见过有人开车这么卤莽。
- How can I drive away these feelings of sadness? 我该怎样做才能驱散忧伤？
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- The valve lifter, a round cylinder, rides on the cam. 气门挺杆为一圆筒体，坐落在凸轮上。
- The engines are driven by steam. 这些发动机是由蒸汽驱动的。
- The machines are driven by electric motors. 这些机器都是由电动机驱动的。
