【单选题】I tried very hard to persuade him to join our group but I met with a______ refusal.
【单选题】I tried very hard to persuade him to join our group but I met with flat ______.
【简答题】传动轴(半轴)功用是把变速器的转矩传递到 驱动桥 上。
【简答题】物料衡算的基准包括 、单位质量、单位体积
【单选题】治疗崩漏,月经过多常选用: A.厉兑 B.至阴 C.地机 D.三阴交 E.隐白