The betaine will collapse to the alkene only when these two functions are eclipsed.只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃.The gramophone had been eclipsed by new technology such as the compact disc.激光唱片等新技术使留声机黯然失色。Our happiness was s...
他拿起卡钳仔细测量.He picked up the calipers and gauged carefully.单活塞浮动卡钳盘式制动器是自定心和 自我 调节.The single - piston floating - caliper disc brake is self - centering and self - adjusting.图四是用四个卡钳找直线的例子.Figure 4 is an example of an expe...
He welded the broken rod.他焊接一根断了的杆子.The miracle was that Rose had welded them into a team.令人称叹的是罗斯把他们打造成了一个团队。The content of diffusible hydrogen in welded metal was determined according to the Glycerine method.按照甘油法测定焊缝金...
The attribute of the hexagram is devotion; its image is the earth.这个卦的属性是“奉献”, 它的表现形式是“地球”.Women tend to attribute their success to external causes such as luck.女性倾向于将她们的成功归因于外部因素，比如运气。People were beginning to attribute ...