词汇	heating piping
释义	heating piping 供热管路
随便看	private universities and colleges private universities in China private universities in Japan private universities in shaanxi province private university private university and college private university library Private University of Japan private university student private university teacher private unrequited transfer private use private-use private-use character private-use class private use of water private use option private use plane private user private-uses private utility private value private value auction models private value auctions private variable