That jeep has four cylinders.那辆吉普车有4个汽缸.Lead weights and air cylinders encumbered the divers as they walked to the shore.潜水员向海岸走去时，铅坠和氧气罐使他们步履维艰。Cylinders must be cleaned thoroughly after the honing or Boring operation.镗...
Upper Cretaceous : Including the Sifangtai Formation — Minshui Formation, corresponding to the Cenonian — Maestrichtian.四方台组—明水组为白垩系上统, 相当于赛诺—梅斯特利克蒂阶(Senonian—Maestrichtian)....