中线的中间点标志为球场的中心点.The centre mark is indicated at the midpoint of the halfway line.中心点周围一圈光束显示了指南针的准确度.The wit of this beam shows the accuracy of the compass.这个系统仅测定中心点曝光值 ( 微棱镜区域内 )This system only measures the central sp...
Grains must be aired in the sun before it can be stored.粮食晒干才能入仓.The dough was formed into tubular grains by extrusion.药团通过挤压而成管状药.The fogged internal latent image grains are protected by mercapto development antifoggant...