这是许多恒温箱的基本工作原理.This is the basic operating principle of many thermostats.用架子把每四个实验器组装,固定为一组,恒温箱中同时放入几组,可提高沼气发酵试验效率10倍左右.The test efficiency of the sewage gas fermentation can be increased by about 10 times.目的探讨处于亚热带的广州地区...

“恒温箱”的英语可以翻译为：[化] incubator，thermostat ...