B lifting, the rope not tied hand wheel or valve stem.
b起吊时，绳子不要系在手轮或阀杆上。
Solenoid valve, hand wheel, valve position switch, air filter regulator and so on.
电磁阀、手轮机构、阀位开关、空气过滤减压器等。
Beneath the hand wheel are two nuts attached to the valve body.
在手轮下面是两个附在阀体上的螺母。
Beneath the hand wheel are two nuts attached to the valve body.
在手轮下面是两个附在阀体上的螺母。
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