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。

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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。

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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。

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