-
The monitor is set to activate an alarm condition anytime the CO level exceeds 10 ppm (5 ppm in Canada).
一氧化碳水平超过百万分之10 就会发出警报。
youdao
-
The monitor is set to activate an alarm condition anytime the CO level exceeds 10 ppm (5 ppm in Canada).
一氧化碳水平超过百万分之10 就会发出警报。
youdao