power take off cover 中文意思是什麼
power take off cover
解釋
動力輸出軸罩-
They say the information could possibly be used in an alert system to give seconds to tens of seconds of advance notice of an impending quake - enough time for schoolchildren to take cover, power generators to trip off and valves to shut on pipelines
這些研究人員說,這一信息可用於警報系統,即提前幾秒鐘或數十秒鐘發出地震已迫在眉睫的警報,從而能有足夠的時間使孩子們躲到安全的地方,使電機和管道閥關閉。
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