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backflow的音標(biāo)：backflow的英式發(fā)音音標(biāo)為：['b?kfl??]backflow的美式發(fā)音音標(biāo)為：['b?kflo?]...
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n.逆流，流向來源，返流...
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However, backflow may now be creating other side effects.不過, 眼下回流可能正在引發(fā)其它一些負(fù)面影響.From this causes two backflow agitation efficiency not high substantial clause.由此引起二次回流攪動效率不高的重要原因.Backflow preventer manufactured from 300 ...
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For use with backflow preventer test cocks to protect from damage.用于防回流閥測試旋塞,防止受到破壞.Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance.防回流閥采用耐腐蝕的300系列不銹鋼制造.However, backflow may now ...