目前16S251是成为当今世界最强有力同步啮合的变速器.The 16 S 251 is now the most powerful synchromesh transmission in the world.齿合系数 --- 啮合的平均齿数.Contact ratio: the average number of teeth in contact.互相啮合的直齿圆柱齿轮,必须具有相同的径节.Meshing spur gears must...
Objective To assess diagnostic value of thrombocytosis through observing platelet count in patients with lung cancer.目的通过对肺癌患者中血小板数量的观察,评估血小板升高对肺癌诊断的价值.Past medical history included polycythemia, thrombocytosis, chronica...