Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
The exercise of eye movement in the early stage after operation can reduce the diplopia and improve the movement function of the globe.
术后早期进行眼球运动训练对提高复视的治愈率、改善眼球的运动功能有重要作用。
Operation Raleigh became Raleigh International in 1992, reflecting the number of volunteers from across the globe.
为了体现国际志愿者数目的迅速增长，雷励行动在1992年正式更名为雷励国际。
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