The water pump, driven by a belt from the engine crankshaft, circulates the cooling liquid between the radiator and engine water jackets.
水泵由发动机曲轴上的皮带驱动，使冷却液在散热器与发动机水套之间循环流动。
In a direct liquid system, city water circulates through the collector.
在直接液体系统中，城市水循环通过收集器。
The plating liquid having reached the upper end circulates through the through-hole of the tubular electrode.
已经到达上端的电镀液穿过管状电极的通孔循环。
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