例句與造句

1. Extreme pressure ( ep ) additive ? chemical compound imparting extreme pressure characteristics to a lubricant with the objecfive of reducing wear under conditions where rubbing or sliding accompanies high contact pressures ， as in heavily loaded gears ， particulars of the hypoid type
   極壓( ep )添加劑在伴隨著高接觸壓力的摩擦和滑動的情況下(如：在重載齒輪，特別是準雙曲面型齒輪中) ，能夠賦予潤滑油抗極壓性能，以達到減輕磨損目的的化合物。
2. It's difficult to find objecfive in a sentence. 用objecfive造句挺難的