说明了皮带自动张紧装置的工作原理，带蓄能器的动力源能缓冲系统压力变化，从而使皮带的张紧力保持稳定。
The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.
为了保持相同的热水和冷水压力，这个装置应该安装在整个室内住宅的供水管道上。
This should be placed on the supply to the entire house in order to maintain equal hot and cold water pressures.
装置长期停止使用时，应关闭油口与压力油管之间的截止阀，保持蓄能器的油压在充气压力以上。
When accumulator is not used for a long period, the check-valve shall be closed to ensure that the oil pressure is above that charging pressure.
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