เหตุผลที่วาล์วต้องอาศัยหัวขับวาล์วในการควบคุมมีดังนี้ The valve bonnet seats at the highest of your valve system. The core tube and stem lengthen in the bonnet and into your valve. Overall body: The Main, also called the armature or plunger, may be the moving part of a solenoid. This can be a smooth (meaning it https://codyrydfj.iyublog.com/17003725/top-guidelines-of-rotameter