The liquid we can see in thermometers is mercury.我们看到的温度计里的液体是水银.Thermometers are filled with fluids such as toluene or alcohol.温度计装有甲苯或酒精.They seldom displace the purely indicating thermometers for direct.它们很少能代替直读式温度计....
The liquid we can see in thermometers is mercury.我们看到的温度计里的液体是水银.Wire the thermometers up to trigger off an alarm bell if the temperature drops.给温度计接上线,如果温度下降,报警铃就会响.Thermometers are filled with fluids such as toluene or...