Additionally, a compressible spring (86) is located between the structural support member and provides biasing force upon the valve member to urge it toward a closed position.

• 另外，可压缩弹簧(86)坐落在结构支撑元件与阀元件之间，其提供对阀元件的偏压力，以朝着关闭位置推动阀元件。