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...
Can see, shipping hypothec has 3 character: 1. Assure quality.可以看出, 船舶抵押权有三个特性: 1. 担保性.Just like hypothec and hypothecate, mortgage is corresponding newly emerging real right of pledge.按揭是与抵押权 、 质押权等相对应的一种新兴的担保物权.The par...
They longed to escape from the rat race and move to the countryside.他们渴望能够摆脱无情的竞争,搬到乡下去.Paul got caught up in the rat race and was never at home.保罗被卷入激烈的竞争中,都没在家呆过.I had to get out of the rat race and take a look at the ...
他有一副中等的身材.He has a medium body.逐次逼近式转换器具有中等的速度和分辨率.The successive approximation converter is of medium speed, and average resolution.有人建议在治疗期内对环氧树脂施加中等的夹持压力.A modest clamping pressure is recommended for the epoxies durin...