close impeller中文什么意思

封闭式叶轮

• close:    adj. 1.关闭着的，密闭的。 2 ...
• impeller:    n. 1.推进者，推动器。 2.【电 ...
• at the close:    按收市盘; 最后价格

例句与用法

1. Pool dedicated copper pump , the shell is made of copper , highitensity and corrosive resistant ; closed impeller with bronze manufacture , strongly suction , durable ; and equipped with hair collector
   泳池专用铜泵泵壳材料采用铸铜，强度高、耐腐蚀；封闭式叶轮月青铜制造，自吸性好，坚固耐用；并配有毛发聚集器。