Recognize that if you use multiple job spools and spool your back-up job, you cannot be assured that all other jobs will be complete before the back-up job is started.
如果使用多个作业假脱机，而且对备份作业进行假脱机，那么就无法确保在备份作业开始之前完成所有其他作业。
According to flow in a different, balanced spool valve the pressure can be pre-pressure, can also be a back pressure valve.
根据流向不同，平衡阀芯所受的压力可以是阀前压力，也可以是阀后压力。
Please put the fencer-end socket back to spool smoothly, do not just throw it on the piste and let it flip back, that will cause a damage to the pool and may hurt others.
比赛结束后，请将拖线插座拔下缓缓放回拖线盘，不要将它扔在地上弹回去，那会损伤拖线盘并有可能伤害到别人。
And likewise the deceleration can be controlled by slowing down the speed of spool movement back to the centre condition.
同样地，减加速度也能够被控制，使阀芯运动回中位的速度变慢。
And likewise the deceleration can be controlled by slowing down the speed of spool movement back to the centre condition.
同样地，减加速度也能够被控制，使阀芯运动回中位的速度变慢。
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