自来水、暖气、冷气、热水、煤气、石油液化气、天然气、沼气、居民用煤炭制品；

ii. Tap water, heating, air conditioning, hot water, coal gas, lipuefied petroleum gas, naturalgas, methane gas, coal/charcoal products for household use;

youdao

自来水、暖气、冷气、热水、煤气、石油液化气、天然气、沼气、居民用煤炭制品；

ii. Tap water, heating, air conditioning, hot water, coal gas, lipuefied petroleum gas, naturalgas, methane gas, coal/charcoal products for household use;

youdao