多圆柱
polydisc
polycylinder
Polydisk
multi-circular cylinder domain
multi-circular cylinder
multi cylinder
多圆柱齿轮机构
Multi-external mesh spur gear mechanism
多圆柱投影
polycylindrical projection
包柱包梁
enwrapped column and girder
无侧隙双滚柱包络环面蜗杆传动
Non-Backlash double-roller envolooing hourglass wo
Ghost网络多播技术
Ghost network multi-broadcast technique
包多尔夫亚间冰期
Paudorf subinter-glacial period
并联多柱
parallel connected multicolumn