建立了砂轮的球基渐开螺旋面方程和分度球面螺旋线方程,给出螺旋运动参数、螺旋线导程.The mechanism of grinding internal gear of spherical worm emery - wheel is researched.正圆锥螺旋面是正圆柱螺旋面被同轴正圆锥面截得.The ortho cone helicoid was used interrsect intercept by the ortho con...
格雷厄姆用枪击打他的脸部。Graham hit him across the face with the gun.她想这次枪击可能是一次意外。She thought the shooting might have been an accident.枪击事件后附近又发现了两具尸体。Two more bodies were found nearby after the shooting....
She stood five feet five inches tall and weighed 120 pounds.她身高5英尺5英寸,体重120磅。He weighed in on Friday night at around 19 stone.他在周五的晚上称了体重,大约是19英石。She weighed 5lb 7oz at birth.她出生时体重是5磅7盎司。...
那些不合格的候选人被筛选掉了.Unsuitable candidates were screened out.经过反复筛选,选出近一百篇可能入选的小说.The repeated siftings have brought the number of possible stories to the neighbourhood of one hundred.然而大多数的筛选测验本身会出现一些错误.However, most screenin...
There followed a barely audible burp.接着是几乎听不见的打嗝声。They had two burp guns only but they were set up good.他们总是两支轻机枪.主要是部署得当.To expel ( gas ) noisily from stomach through the mouth; burp.从胃里通过嘴有声音地排出 ( 气体 ); 打(嗝)...