graded river 中文意思是什麼
graded river
解釋
沖淤均衡河段-
Since its foundation, this institute has completed 3800 or more projects of exploration and design of which projects of priority are fengpu, lupu bridges, i, ii, iii stages of comprehensive sewage treatment, inner, middle, outer ring roadways, yan an dong lu viaduct ( east and middle sections ), main entrance roadway and graded crossing in pudong international airport, first and second stages of humin viaduct, expressways ( hujia, huqingping, hulu, jialiu, xinfengjin ) and chongming cross river projects, r3 and m7 light rail projects both situated in city proper or suburban area
自創建以來，完成了各類工程勘察設計項目3800餘項，其中已完成或正在進行的項目有：上海市奉浦大橋、盧浦大橋、污水治理一二三期工程、 （內、中、外）環線道路、延安高架道路（東、中、西段） 、浦東國際機場航站區主進場道路及航站區立交、滬閔高架道路一、二期、 （滬嘉、滬青平、滬蘆、嘉瀏、莘奉金等）高速公路、崇明越江通道、軌道交通r3線、 m7線等工程。 -
Back in the 1980s, however, the shing mun river was not for the fainthearted. it was severely polluted from industrial and commercial effluent, discharge from livestock farms, runoff from unsewered villages, and effluent entering through expedient connections in the new towns. its most polluted branches were the tai wai, fo tan and siu lek yuen nullahs, all of whose water quality was consistently graded bad, with black water and foul - smelling sediment
回想八十年代，城門河狀況堪虞，區內的工商業污水禽畜廢物無污水收集系統的鄉村污水和來自新市鎮的非法接駁污水渠將污水排入河內，造成嚴重污染，其中以大圍火炭和小瀝源明渠的污染情況最為嚴竣，持續錄得惡劣水質等級，河水淤黑而臭氣薰天。 -
The fairview park nullah was graded bad in 2005, mainly because its catchment area has been reduced after water from ngau tam mei began to be diverted into the kam tin river in 2002
2005年，錦銹花園明渠的水質等級被評為惡劣，主要是因為2002年牛潭尾的河水改道至錦田河引致流量減低。 -
The main channel of shing mun river was slightly better, graded fair, but it suffered from the pollution load coming from its tributaries, and its self - cleansing capabilities were limited due to its very weak flow in the intertidal area
城門河主河道的情況稍好，水質等級為普通，但因受到支流污染物的影響，加上潮汐水流緩慢，凈化能力不足，因此當時城門河裡幾乎沒有水生物棲息。
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