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- A new type of digital directional valve is presented. 给出了一种新型电液数字换向阀。
- K25J series 5/2-ways directional valve is a product jointly designed by first ministry of machinery have streamlined structure and reliable actions. K25J系列二位五通截止式换向阀，是一机部换向阀联合设计产品，具有结构合理，动作可靠。
- K23JD-BW series is plate fitting shut-off directional valves 3/2 way. BW系列是二位三通单气控板接截止式换向阀。
- Pull and hold RT + LT and quickly move the LS towards the opposite ball hand and then back to the ball hand direction. 前进回拉（玩街球的这个动作都练过吧，脚步往前跨，球往回搂）
- GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage,controls the actuating cylinder to drive the valve openedclosed. GDQ型气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
- When it came time for a sequel, Tsui would hand directing chores to Teddy Robin, opting instead to serve as associate producer. 拍摄续集时,徐克把导演筒交给泰迪罗宾,自己退居策划。
- As you study economics, you will learn that prices are the instrument with which the invisible hand directs economic activity. 当你学习经济学时，你将会知道，价格就是看不见的手用来指引经济活动的工具。
- GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed. GDQ型气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
- HAWE variable piston pumps, proportional directional valves and directional seated valves have a widely application in mining machines. 简 介： HAWE品牌变量柱塞泵，比例多路阀，截止式换向阀等众多产品广泛应用在掘进机，采煤机，刮板运输机和行走支架等煤炭机械上。
- GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage,controls the actuating cylinder to drive the butterfly valve openedclosed. 简单介绍： GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
- His sooty hand smudged the paper. 他被煤烟熏污的手把纸弄脏了。
- The solenoid is used for wet-type electromagnet valve on the power supplies of DC up to 220V as the power elements of REXROTH electromagnetic direction valve. 适用于单相桥式全波整流的直流电源，电压至220V的电路中，作为力士乐六、十通径螺钉连接的电磁换向阀的动力元件。
- three position directional valve 三位换向阀
- The children walk down the street hand in hand. 孩子们手拉手地在街上散步。
- water hydraulic directional valve 纯水换向阀
- The teacher asked the pupil to put his hand down. 老师叫这个小学生把手放下。
- electro-hydraulic proportional directional valve 比例方向阀
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- My father is a dab hand at baking bread. 做面包是我父亲的拿手好戏。
- electrohydraulic proportional directional valve 电液比例方向阀
