Ejector seat levers can only be used once, and their consequences are significant and irreversible.弹射座椅操纵杆只能用一次, 它的使用将引起重要的变化,而且这个过程是不可逆的.The workers can manipulate the gears and levers of a machine skillfully.工人们能熟练地操纵机...
I was confronted with an array of knobs, levers, and switches.我面对的是一大堆旋钮、控制杆和开关。Levers and pulleys are simple machines.杠杆和滑轮是简单机械.The workers can manipulate the gears and levers of a machine skillfully.工人们能熟练地操纵机件....
Slecve bearing life expectance: 20,000 hours minimum.含油轴承预期寿命: 至少20,000小时.Modern school of currency and school of reasonable expectance systematized methods of substantial evidence analysis.现代货币学派和理性预期学派将实证分析方法系统化....
She powdered her face and applied her lipstick and rouge.她往脸上搽了粉，抹了口红和胭脂。She was attended by servants in splendid livery and powdered wigs.她由穿着华丽制服、头戴扑粉假发的仆人们伺候着。There are only two tins of powdered milk left.就剩下两听奶粉了。...
The widower did not remarry.那鳏夫未曾再娶.Widower is a 14 th century coinage.Widower( 鳏夫)一词是十四世纪造出来的.George was a widower with six young children.乔治是个带著六个小孩子的鳏夫....
给予破伤风类毒素加强剂与青霉素.A booster does of tetanus toxoid and penicillin should be administered.目的研制A+群脑膜炎球菌多糖-破伤风类毒素结合疫苗.Objective To prepare group A + C meningococcal polysaccharide conjugate vaccine.我需要 0. 5毫升破伤风类毒素.I want 0 ....