检测圆锥管螺纹基面中径的方法有很多,但测量过程复杂.There are many ways to measure base - level pitch diameter of cone - shaped thread.基面要求: 表面不应有积水 、 灰尘 、 漆膜 、 油污.The base level requirements: there should be no surface water, dust, paint, grease...
A fleet of ambulances took the injured to hospital.一队救护车把伤者送往医院。I heard this song on the radio and it just took my breath away.我是从收音机里听到这首歌的，它令我惊叹不已。The assistant took the book and checked the price on the back cover...店...
The Tennessee River sculpts the east side of the Cumberland Plateau.田纳西河刻蚀着坎伯兰高原的东部边缘.Stress sculpts the brain to exhibit various antisocial, though adaptive, behaviors.压力陶铸下的大脑,虽能表现出各种适应性的行为, 但却有碍人际关系.A worker at All Am...
中微子和假想的引力子也是无质量粒子, 它们也以与光相同的速度运动.Neutrinos and the hypothetical gravitons, also massless particles, move at the same speed as light.在本文中, 只简单的讨论了在树图近似下引力子的相互作用势能.In this paper, the interactional potential energy of gravi...
He decided on roast chicken and vegetables, with apple pie to follow.他决定点烤鸡配蔬菜，然后再要一份苹果派。A tantalising aroma of roast beef fills the air.空气中充满诱人的烤牛肉香味。Come into the kitchen. I've got to put the roast in.到厨房来。我得把烤肉放进...
Most of the senior boys are going steady with juniors and sophomores.四年级的男生大都总是要同三年级和二年级的学生一起去的.Over half the students in the course are sophomores.听这门课的一大半是二年级学生.We are freshmen and they are sophomores.我们是一年级学生,他们是二年级学生...