One end of a probe telescopic rod is provided with an ultrasonic sensor, a flow velocity determinator, a pressure sensor and a vacuum piston water sample collector.
探头伸缩杆一端安有超声波传感器、流速测定仪、压力传感器和真空活塞水样采集器。
When the motor stops, the piston rod can self-lock at any locations, in the state of pressure keeping.
电机停止，活塞杆能自锁在任意位置上，处于保压状态。
The steering engine is steered through the position of the cylinder on the piston rod which is controlled by hydraulic pressure.
利用油压控制油缸在活塞杆上移动的位置进行操舵。
Upper and lower ends of the hydro-cylinder identity are installed upper pressure board and down pressure board, which has piston rod and connecting stick.
复合式弯辊液压缸缸体的上、下端分别装有上压板和下压板组成油缸，里面装有活塞杆和连接杆。
The steel letters are pressed on the sign board arranged on the sign board platform through a piston-rod of a hydraulic pressure cylinder.
钢字通过液压缸的活塞杆被压到设置在标志牌平台上的标志牌上。
The steel letters are pressed on the sign board arranged on the sign board platform through a piston-rod of a hydraulic pressure cylinder.
钢字通过液压缸的活塞杆被压到设置在标志牌平台上的标志牌上。
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