513煤氣
八成香港住宅為煤氣用戶。
Towngas already had access to 80 per cent of Hong Kong’s households.
香港中華煤氣有限公司
The Hong Kong & China Gas Co. Ltd.
煤氣常務董事陳永堅
Towngas managing director Alfred Chan Wing-kin
煤氣管
a gas pipe
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