Keep in mind, too, that stop-and-go activities, such as mixing walking with running, can make you more vulnerable to the cold if you repeatedly work up a sweat and then get chilly.
也请谨记，动动停停的活动，比如走跑结合，反复地上一身汗然后冷却会使你面对寒冷更加脆弱。
2
When the temperature control knob to set a temperature, hot and cold water mixing valve through proportional control into the outlet, the outlet temperature is always constant.
当温度调节旋钮设定某一温度后，混水阀通过调节进入出水口的冷热水比例，使出水温度始终保持恒定。
3
Valves for reducing point of discharge temperature by mixingcold and hot water in branch water lines are available.