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水泵制造商们正在生产可靠性更高、更环保和使用更容易的水泵。Becca Wilkins报道了这一特殊基础元件行业的新产品开发情况。
Pump manufacturers are producing pumps that are more reliable, greener and easier to use. Becca Wilkins reports on new product developments for this particular foundry component industry.