noise shielding meaning in Chinese

噪声屏蔽

In the same year , the executive council endorsed the retrofitting of noise shielding facilities on these roads at a cost of $ 2 . 3 billion spreading over a 10 - year period
同年，行政会议通过斥资23亿元，分期10年为该批道路加建隔音设施。
It is learnt that the environmental protection department tentatively confirmed in 2000 that 29 out of the 655 " noisy roads " in hong kong , including the tsing tsuen bridge in kwai tsing district , would be the first batch of roads to be retrofitted with noise shielding facilities
据悉，环境保护署于2000年初步确定，将本港655条噪音道路中的29条道路，包括葵青区青荃桥，列为第一批需加建隔音设施的道路。