The most common control valves are the parabolic plug and the V-ported valve.
最常用的控制阀具有抛物线形阀芯和V形开口阀芯。
It has a lightweight design, vibration and impact resistant construction, and integral barbed fittings molded into each body ported 'rb' valve.
它有一个轻巧的设计，振动和耐冲击性建设，整体刺到每个机构移植'模包'阀门配件。
It has a lightweight design, vibration and impact resistant construction, and integral barbed fittings molded into each body ported 'rb' valve.
它有一个轻巧的设计，振动和耐冲击性建设，整体刺到每个机构移植'模包'阀门配件。
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