Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting springs and other parts.
导阀主要由阀座、阀瓣、膜片、弹簧、调节弹簧等零件组成。
2
I mounted the two Spring Grip Clamps on to the seat backs of two chairs. In the clips I mounted Nikon Speedlight SB-80DX and directed them against the white wall.
我将2只大力夹夹在了2个椅子的后面，并且在夹子上安装了SB-80DX，直射背景墙。
3
In this case a proportional solenoid is used to push a poppet against a seat via a spring.