... hoist pump control valve 起重机油泵操纵阀 holding valve 平衡阀; 闭锁阀 hollow core valve 空心阀 ...
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... hoist pump control valve 起重机油泵操纵阀 holding valve 平衡阀; 闭锁阀 hollow core valve 空心阀 ...
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... hoist pump control valve 起重机油泵操纵阀 holding valve 闭锁阀, 止回阀, 单向阀 hollow-jet needle valve 空注针形阀 ...
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Whereas clause, the structure of valve had been improved, holding valve and over load valve had been added in it. The problem had been resolved by means of above.
基于以上现象，对控制支腿缸的换向阀结构进行了改进，通过在原有换向阀的基础上增加一过载阀及4个单向阀解决了上述问题。
This includes removing any mineral deposits around the seat beneath the valve. Also check that the pull chain attached to the valve is not too short and holding the valve slightly open.
首先，确定让水位上升的砖头或者马桶清洁装置没有挡到阀门，让它不能正确关闭；然后清除挡水阀座周围的矿质沉淀物，检查连在挡水阀的拉管是不是太短，有没有把挡水阀拉得有轻微缝隙。
3 SEC The PORV (pressure relief valve) opens automatically, releasing steam into a holding tank.
3秒减压阀自动打开，将蒸汽释入一个储存罐。
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