独特的锁闭杆系统，防止输出轴上的键在键槽倾斜，消除了键和键槽损害的可能性及其可能会导致的生产力损失。
The unique locking bar system prevents the key on the output shaft from tipping in the keyway, eliminating the possibility for key and keyway damage that results in a loss of productivity.
压力的变化将精确定位阀杆总成，使得阀门实现所要求的启、闭或调节的操作。
Varying the amount of pressure accurately positions the stem assembly to open, close or modulate the valve as required.
平面四杆机构和空间六杆机构的运动学分析可以通过建立闭链的结构方程来实现。
The kinematic analysis of the planar four-bar linkage and dimensional six-bar linkage can be done by building up the structural equations.
分析了双杆锁闭zd6型电动转辙机所存在问题的原因，并提出了解决办法。
This article analyzes the existing questions of the double close ZD6 electric pointer, and puts forward the solution.
该动保险片，它连接绝缘系统，而且，它受控制杆顶抵并常闭连 接该定接触片。
The movable safety piece is connected with the insulating system, is supported against by the control rod, and is in normally closed connection with the fixed contact piece.
本产品适用于全开全闭的各类管道及设备上的启闭件，由阀杆带动，沿阀座轴线作升降运动的阀门。
It is suited to control media by being full opened or closed in pipelines and devices. Its disc is driven by stem, which lift along the seat axis.
本产品适用于全开全闭的各类管道及设备上的启闭件，由阀杆带动，沿阀座轴线作升降运动的阀门。
It is suited to control media by being full opened or closed in pipelines and devices. Its disc is driven by stem, which lift along the seat axis.
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