杭州: 浙江大学, 2003. SH I H u i2lie. R esearch on a fla t p la te so lar w ater heater of honeycom b and heat p ipe [D ]. H angzhou: Zhejiang U niv. , 2003. D evelopm en t of vacuum glass-covered board heat p ipe solar water hea ter HU Ya 2ca i, W EI L in2s he ng , HONG Rong2hua , W ANG S hi2fe ng ( Co llege of M ech. and Energy Eng. , Zhejiang U niv. , H angzhou 310027, Ch ina ) Abstract: A new hea