With Timer and Temperature Controller 当定时器和温度控制器
The timer worked like a thermostat, on the principle that two different kinds of metal will expand and contract at different rates when their temperature changes.
计时器的工作原理类似于恒温器，当温度变化时，两种不同金属以不同速率缩小或膨胀。
The Mould Cultivation Cabinet is with digital display, high and low temperature controlled by microcomputer, mirror finish stainless steel inner with observation window, compressor delay, and timer.
本霉菌培养箱，数显、微电脑控制高低温、镜面不锈钢内胆带观察窗、压缩机延时、定时控制器。
All stainless steel body with exact temperature control, adjustable temperature and timer.
不锈钢炉身，精确温控，温度调节及时间制功能。
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