The factors stated are based upon a fully open valve.

这里所述的流量系数是指阀门全开时的流量系数。

youdao

Stay-Open valve: a valve that manually opens and closes the emergency units.

打开球阀：手动打开紧急洗眼装置的球阀。

youdao

Keep return piping valve closed until trap fills with condensate. Slowly open valve.

保持回路管道阀门处于关闭状态直到疏水阀充满冷凝物为止。慢慢开启阀门。

youdao

But not before an open valve spilled 71, 000 gallons of crude, blanketing the town.

FORBES: Slick

The panel met to evaluate use of the novel device in patients with significant symptomatic mitral regurgitation (MR) who have been determined by a cardiac surgeon to be too high risk for open mitral valve surgery and in whom existing co-morbidities would not preclude the expected benefit from correction of the MR.

FORBES: FDA Panel Gives Tepid Endorsement To Abbott's MitraClip

It's been seven months since Max's last surgery -- an open heart pulmonary valve replacement -- and he has been cleared for all activities by his doctors.

CNN: Mini Darth Vader uses force for good