Reciprocating plunger seals have been substitute by mechanically or hydraulically actuated diaphragms in diaphragm pumps.
往复活塞密封被机械密封和液力隔膜泵所替代。
The three systems are not hydraulically connected. Where possible they are kept apart to keep to a minimum the effect of engine or tire burst, or other damage.
这三个系统不是液压联通的。它们尽可能隔离，以便当发动机故障、或轮胎爆破、或某些故障时，系统仍然保持最低的功能。
The riveting force is generated hydraulically or pneumatically, depending on the model.
根据型号的不同，铆接力输出分为液压和气压两种。
The main valve, globe or angle pattern, is diaphragm actuated, hydraulically operated.
主阀，截止阀或角阀结构，采用隔膜驱动，液压操作。
Optional electronic-hydraulically controlled forward-trailing or trailing axles for an optimum turning circle.
可选装带有电子-液压控制的前、后从动桥，实现最佳的转弯半径。
Load cells are hydraulically or electronically operated and are connected to the weight-indicator display system on the equipment operator's console.
负载变送器可由液压操纵或用电子装置操纵，并连接至设备操作员控制台上的指重表显示系统。
In traditional study on hydraulically expanded tube-to-tubesheet joints, the methods used, whether theoretical or experimental, all have some limitations.
在传统的液压胀管研究中，在对影响胀接接头性能的各种因素的分析中存在着若干重要的局限性。
ACTUATOR, A mechanical device operated electrically, hydraulically, pneumatically or mechanically for transmitting motion between components.
作动筒，由电，液压，气源或机械驱动的机械装置，用于传送部件之间的运动。
ACTUATOR, A mechanical device operated electrically, hydraulically, pneumatically or mechanically for transmitting motion between components.
作动筒，由电，液压，气源或机械驱动的机械装置，用于传送部件之间的运动。
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