機器無異常漏油(you)(you)情(qing)況出現油(you)(you)位(wei)(wei)低(di)(di)報警。一是油(you)(you)隨(sui)氣(qi)(qi)微量帶走,二是油(you)(you)溫(wen)很低(di)(di),熱脹冷(leng)縮,還有就(jiu)是油(you)(you)溫(wen)低(di)(di)流(liu)動(dong)性差,產生液位(wei)(wei)高低(di)(di)差。天(tian)氣(qi)(qi)突然(ran)變冷(leng)的(de)夜晚(wan)和(he)凌(ling)晨最容易發生此情(qing)況。加(jia)油(you)(you)原則,每(mei)次量不要加(jia)太(tai)多(duo)。