這是許多恒溫箱的基本工作原理.This is the basic operating principle of many thermostats.用架子把每四個(gè)實(shí)驗(yàn)器組裝,固定為一組,恒溫箱中同時(shí)放入幾組,可提高沼氣發(fā)酵試驗(yàn)效率10倍左右.The test efficiency of the sewage gas fermentation can be increased by about 10 times.目的探討處于亞熱帶的廣州地區(qū)...