我国预制直埋热水保温管“以塑代钢”趋势浅析

李宪实周曰从杨光华

“Plastics Instead of Steel” Trend in Directlyburied Preinsulated Hot Water Pipes in China

LI Xian-Shi Yuecong ZHOU Guanghua YANG

中国塑料 . 2014, (01): 1 -5 . DOI: 10.19491/j.issn.1001-9278.2014.01.001