Now generally used PTEE, EPDM and other material for the valve seat, so bubbles leakproofness good.现一般均使用PTEE 、 EPDM等材料,为阀座, 因此,气泡密封性佳.Especially in automobile industry, the leakproofness of cylinder influences the perfo...
鱼鳍是鱼类特有的特征.Fins are a feature specific to fish.我们在电影里经常看到主人公被“鲨鱼的鱼鳍”吓得要死, 结果 仔细一看,原来是海豚.I still remember your being scared to death of a shark's fin.有时,雌鱼为了提醒雄鱼,自己才是真正的主人,会故意找雄鱼的茬,比如刺刺其鱼鳍.The female occasionally rem...
When he was a little lad, I used to sing him lullabies.在他小时候, 我常常给他唱摇篮曲.All mothers like to sing lullabies to their babies.所有的母亲都喜欢给她们的孩子唱摇篮曲.She is singing lullabies to the children.她在为孩子唱催眠曲....
She was keeping everyone guessing about the latest love in her life.她不让任何人知道自己最近的感情生活。The author's intention is to keep everyone guessing until the bitter end.这位作家打算把悲惨结局的悬念一直保留到最后。I don't really know. I'm...
He has divided the human relation into three modes: solidary social community, instrumental combo , and citizenhood.他将人类关系分为三个基本模式: 团结性社群 、 工具性联合体与公民身份....a new-wave rock combo.新浪潮摇滚小乐队Combo boxes clearly differentiate b...
O'Leary made to open the door, but Bunbury forestalled him by laying a hand on his arm.奥利里想去开门，但是邦伯里抢先一把摁住了他的胳膊。Sean O'Leary has been named in the England squad to tour Argentina.肖恩·奥利里已入选参加阿根廷巡回赛的英格兰队大名单。O...