柴油最重要的性能是哪些？
参考答案：柴油最重要的性能是着火性和流动性。
-Have you got your test result?
-Not yet. The papers ______. [ ]
A. are correcting
B. are corrected
C. have been corrected
D. are being corrected
供试品要求三批，按市售包装，在温度40±2℃，相对湿度75%±5%的条件下放置 6个月
A．高温试验B．高湿度试验C．强光照射试验D．加速试验E．长期试验
