... off tune type discriminator 失谐式鉴频器 off type valve 断式阀 off-type variety 变劣品种; 非典型品种 ...
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flange type everlasting blow-off valve 凸缘式连续放泄阀
break-off type reversing valve [油气] 断销式反循环阀
built-in type quick shut-off valve 内置式快速关断阀
gate-type shut-off valve 闸板式断流阀
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
The cut-off valve type, the internal leakage is not allowed.
对于截断阀类来说，内漏是不允许的。
Off penetrable knife gate valve is a new type of fast-flow regulating valve with both ends opened and closed operation of actuators that can double increase headstock speed.
本阀门是一种新型的快速流量调节的刀闸阀，具有两端同时开启、关闭的操作执行器，成倍提高启闭速度。
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