barrier noise barrier noise barrier wall 中文意思是什麼
barrier noise barrier noise barrier wall
解釋
防音墻-
Construction of noise barrier footing and retaining wall at rws3
興建中的隔音屏地基及擋土墻 -
To reduce the noise generated from delivery vehicles, a noise barrier wall 700m long and 3m high has been erected along the section of po wan road near the residential area. in addition, noise barrier walls of 2 - 4m high are erected along the slaughter house s perimeter
為減低運肉車經過時所發出的噪音,在其中一段比較接近民居的寶運路設有約七百米長、三米高的隔音屏障,並於屠房周圍築起高兩至四米的隔音墻。
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