恒温

héng wēn chē jiān

恒温车间

constant temperature workshop

héng wēn qì

恒温器

thermostat

xū yào bǎo chí héng wēn

需要保持恒温

need to keep the temperature constant

rè fū gōng néng héng wēn nài yòng

热敷功能恒温耐用

fomenting function and constant temperature for endurable usage