The shaft also shall have a directional indicator on top to indicate disc position when the handle is removed.
阀杆也应该在顶部配置方向指示器，用于当手柄拆卸下来时指示阀瓣的位置。
The rear disc brake shoes have an anti-rattle spring attached to the rear of the outboard shoe and a wear indicator on the inboard shoe.
后碟制动蹄片有一个附着于蹄片外后部的消声器弹簧，和一个在蹄片内部磨损指示器。
These two floor stands also available with an indicATor so the position of the disc (wedge) can be read AT a glance.
这两种地轴架都可配置指示器，因此只要看一眼就能够知道阀瓣（楔板）的位置。
The Atmospheric Rupture Indicator employs a Rupture Disc which will burst at a predetermined pressure, automatically relieving pressure.
爆破指示器通过爆破片在设定压力下自动爆破来泻压。
The Atmospheric Rupture Indicator employs a Rupture Disc which will burst at a predetermined pressure, automatically relieving pressure.
爆破指示器通过爆破片在设定压力下自动爆破来泻压。
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