Automotive - engine lubricating systems are of the pressure - feed type.汽车发动机的润滑系统采用压力供给式.In the present chapter, the emphasis is mainly on lubricating oils for internal combustion engines.本章着重讨论用于内燃机的润滑油.Complex calcium...
He discharged his second arrow.他抽出第二枝箭。A man without money is a bow without an arrow.人无钱,犹如弓无箭。An arrow with a four-edged head is shot from a crossbow.有四面刃头的箭是从石弓发出来的。The arrow points to the aponeurosis of lateral muscle...
Under commonly circs, its optic axis and molecule long axis is accordant.在一般的情况下光轴与分子的长轴方向一致.The circs must not be happen again!不要让相类似的情况再次发生.During the course , we observe the growth of germ cell and the gestation circs...
果园间作小浆果.These orchards were interplanted with soft fruits.它开始在群星之间作或许是永不停止的遨游.It will begin what may be an eternity of wandering among the stars.由单一种植向间作套种的立体农业转移.By onefold cultivate the stereo agriculture move to inter...
Campaigners lit scores of bonfires in ceremonies to mark the anniversary.参加运动的人们在各种仪式上点起一垛垛篝火以纪念周年庆典。It was the fortieth anniversary of the death of the composer.这是该作曲家逝世40周年纪念日。Next year will be the 60th anniversary of ...