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Line 1: 在「自動保壓」司軔閥上，軔管壓力是由閥件自動決定。司機員僅需將司軔閥手柄移動至一定範圍內的任意位置。愈向「緊軔」方向推動施加的軔力愈強，反之愈弱。該閥將根據手柄的位置自動釋放或增加軔管中的壓力。
較新型的司軔閥能夠 「自動保壓」，也就是根據手柄的位置自動地完成三個動作：釋放、增加並維持{{pll|Air Brake System Overview| 軔管}}中的 壓力。它們對於初學者較易上手，因其 手柄的位置也直接對應著{{pll|Air Brake System Overview|軔缸}}壓力 。愈向「緊軔」方向推動手柄， 施加的軔力愈強； 愈向「鬆軔」方向推動推動 手柄，施加 的軔力愈弱 。
Revision as of 19:51, 13 April 2025
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Message definition (Lapping ) The self-lapping control valves are newer. With them, the control lever application directly corresponds to the {{pll|Air Brake System Overview|brake cylinder}} pressure, and is more beginner friendly. The further the lever is set in the “apply” direction, the stronger the braking application, and the further it's set in the "release" direction, the weaker the braking application. The valve automatically handles the dumping and charging of the {{pll|Air Brake System Overview|brake pipe}}, in order to get to the desired cylinder pressure.
較新型的司軔閥能夠「自動保壓」，也就是根據手柄的位置自動地完成三個動作：釋放、增加並維持軔管 軔缸
