stem note的意思|示意

Note: Valves are static grounded by two ball detents that insure electro-continuity between the stem body and ball.

注意：这种阀门是采用两个球形制动器实现静电接地，确保阀杆阀体和球体之间的电镀连续性。

NOTE: the valve is shipped in the closed position. The indicator on the plastic sleeve is aligned with the vertical scribed line on the stem.

注意：阀门装运时是处于关闭位置。塑料套筒上的指示器与阀杆上的垂直刻线对齐。