在套筒上四分之一转的刻度，以及阀杆上的刻痕，显示大约的流量测量。
The quarter turn graduations on the sleeve, with the scribed line on the stem, provide for approximate flow measurement.
四分之一转，双动和弹簧回位类型，具有全封闭结构，没有外部活动连接。
Quarter turn, double acting and spring return type with a totally enclosed design and no external moving linkages.
阀杆日开始，你给一个四分之一转，再算上三辐条和加强四分之一转，因此左右车轮上。
Starting at the valve stem you give a quarter turn, and then count three spokes and tighten a quarter turn, and so on around the wheel.
安全阀阀盖应该采用不锈钢螺栓紧固，应该采用四分之一转锁定连接来所定安全阀的弹簧负载。
The relief valve cover shall be secured with stainless steel bolts and shall utilize a quarter-turn locking joint to capture the spring load of the relief valve.
约莫走了四分之一英里，三个人在孤零零的一所四周有围墙的宅院前边停住脚步。托比格拉基特几乎没顾得上歇口气，一转眼就爬上了围墙。
After walking about a quarter of a mile, they stopped before a detached house surrounded by a wall: to the top of which, Toby Crackit, scarcely pausing to take breath, climbed in a twinkling.
约莫走了四分之一英里，三个人在孤零零的一所四周有围墙的宅院前边停住脚步。托比格拉基特几乎没顾得上歇口气，一转眼就爬上了围墙。
After walking about a quarter of a mile, they stopped before a detached house surrounded by a wall: to the top of which, Toby Crackit, scarcely pausing to take breath, climbed in a twinkling.
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