班乃特同心蛋白石球
Bennett’s concentric opal sphere
本内特蛋白石同心圆球
Bennett’s concentric opal sphere
带同心中性导线的电力电缆
power cable with concentric neutral conductor
多段同心圆轴梁
multi-section concentric girder
法兰取压同心锐孔板
concentric orifice with flange taps
共轭平面同心共振器
conjugate plano-concentric resonator
两个同心旋转圆柱
two concentric rotating cylinders
内同心圆定理
Internal concentric circle theorem
宁夏同心县
Tongxin County of Ningxia
潜孔锤同心跟管钻具
DTH hammer drilling with concentric simultaneous c
倾斜同心套管
inclined concentric circular tubes
三叶同心轮纹病菌
Cephalosporium puerariae Sawada
水平同心套管
horizontal concentric cylinders
horizontal concentric cylindrical annuli