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).
Useappliance, cooker , curst of apparatus, machine equipment, furniture, and automobile accessory etc.家电 、 炊具、仪器仪表外壳 、 机电设备 、 室内家具 、 汽车零部件等.There was a thin curst of dirt around the bath.浴缸四周有一层薄薄的污垢.A curst cow has shor...
Office machinery is kept to a minimum...办公室的机器数量维持在最低限度。They wrote off 500 for depreciation of machinery.他们注销了500镑作为机器折旧费.I intend to disassociate from all related disease machinery.我意愿离开一切相关的疾病机械装置.His solution : DAC Vi...
Goods may be sent by surface mail or airmail.货物可通过平寄或空运发送。Affix the blue airmail label and leave the rest to us.贴上蓝色的空邮标签，其余的事情交给我们。Write "By Airmail" in the top left hand corner.在左上角写上“航空邮递”....
轴颈在轴承面上摩擦.The journal rubs against the bearing surface.夹紧处扭杆的微小滑移会产生干扰力矩,它的作用和轴颈的摩擦力矩一样.Torsional microslip at the clamps results in spurious torques which act like pivot friction torques.在发动机里, 机油被供应到旋转在其支承轴内的曲轴和凸轮轴轴颈上....