Specially designed sheen filter for polishing the water before discharge.

专为抛光后排放的水光泽过滤器。

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Sludge liquor is recirculated in the secondary system to assure its purity before discharge.

该泥水回流到二级处理系统，以保证排放前的澄清度。

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Before discharge, limb swelling subsided in 14 cases while 4 remained mild swelling and 2 had no obvious relief.

出院时14例肢体肿胀明显缓解，4例轻度肿胀，2例缓解不明显。

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Before his discharge from the service in 1971, Lay earned a doctorate from the University of Houston.

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Mr Bannatyne enlisted in the Royal Navy at the age of 15, before receiving a dishonourable discharge for threatening to throw an officer off a jetty.

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Mr. Johnson, who served in the Coast Guard between 1973 and 1977 before receiving an honorable discharge, moved into a second-floor apartment in a six-floor walk-up building on the East 82nd Street about 18 months ago.

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