He picked up my handkerchief . did you drop yours on purpose 他捡起我的手帕你是故意丢手帕的？
3.
Automatic release mechanical firing head 自动丢手机械发火头
4.
Automatic gun release sub 射孔器自动丢手接头
5.
Holding right mouse button when throwing a grenade changes throw length from feet to inches 这句我也不懂. . . .丢手榴弹不是按滑鼠左键的吗？
6.
He was good at speech instantly , the more heavy the rain was , the more strong his morale was , just like he was going to lead us to go to tokyo in japan 反正是七八十人在这个山洞里一点不觉的拥挤，而且还可以搞一些小型的比赛，什么立定跳远、老鹰捉小鸡、丢手绢（因为没有手绢，他们经常用军帽、钢盔或者子弹带之类的东西代替手绢? ?地下铁注）之类的游戏！
7.
Water shutoff agent dsz - a is composed of inorganic particle . its specialities are low cost , easily flow , high strength and long valid period . the agent suits non - selective water shutoff in sand formation . dsz - a not only can plug high water - bearing formation , but also can plug case leakage . dsz - a has been applied on site and gotten good effect . it is a agent which has wide prospect 井下护泵除砂装置主要用于产液气量高,出砂能力大,利用常规装置、常规方法很难治理的井.它的设计是建立在丢手封隔器卡封的基础上,将液体携砂能力由地层进入泵管转变为先过滤(双层激光割缝筛管部分) ,再在除砂器内静态沉淀、由单流阀排入井底等一系列除砂护泵优点.本文着重介绍了井下护泵除砂装置的工作原理与应用情况
