单词v-block
n.: V形块网络: V槽块;V形气缸体;V型块和夹具
V形块
Three Methods in Determination of Processing Locating Errors of Components in V-block
零件以V型块定位时工序定位误差的三种确定方法
New Conception of II Degree A-V Block
II度房室传导阻滞的新评述