backflow的英语例句
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However, backflow may now be creating other side effects.
不过, 眼下回流可能正在引发其它一些负面影响.
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The system should be flushed before the backflow valve is installed.
在安装回流阀之前系统应该进行冲刷.
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From this causes two backflow agitation efficiency not high substantial clause.
由此引起二次回流搅动效率不高的重要原因.
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