Less than 28 per cent of domestic dwellings now use cylinders; and some 94 937 gas water heaters have been replaced and upgraded.
英
美
- 本港石油气用户中,使用瓶装石油气的比牢垃年内已降至28%25以下,而已经更换及进行改善工程的气体热水炉,则约有94937具。