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。
1896 - William Shakespeare, Jr., an avid fisherman of 27 years, wanted to improve on existing fishing reels so he came up with a device for winding fishing line evenly back on the spool.
1896年-威廉·莎士比亚，小，一个狂热的渔民的27年，要改善现有的捕捞辘所以他想出了一个装置，绕组线均匀回到捕鱼的缓冲。
1896 - William Shakespeare, Jr., an avid fisherman of 27 years, wanted to improve on existing fishing reels so he came up with a device for winding fishing line evenly back on the spool.
1896年-威廉·莎士比亚，小，一个狂热的渔民的27年，要改善现有的捕捞辘所以他想出了一个装置，绕组线均匀回到捕鱼的缓冲。
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