在天平盘上加10mg的砝码,天平偏转8.0格,此天平的分度值是()。 ["0.00125g","0.8mg","0.08g","0.01g"]
开车前要向HV-201前充液封,是为了() ["防止CO2倒流","保证系统H2O/Ur","及早出料","降低TR002/5"]
一般规定铆钉材料的强度()构件材料的强度。 ["A.略低于","B.略低于","C.钢钉","D.铝钉"]
220kV的电气设备,在不停电情况下工作时,其安全距离为()。 ["1m","1.5m","3.0m","3.5m"]
安全气囊在汽车正前方多少角度以内受强力撞击时才会起作用?() ["15°","25°","30°","45°","50°"]
除快速保养外,与客户交流的时间不得少于()分钟。