原圆环角石的英文

• protocycloceras

• 原    primary; original; former
• 角    role; part; character
• 石    dan,a unit of dry measure fo ...
• 环角石    cycloceras; gyroceras
• 大环角石    gyroceratites
• 环角石壳    gyroceracone
• 环角石式壳    gyroceracone; gyrocone
• 环角石属    cycloceras; gyroceras
• 环角    cingular horn
• 原圆    primitive circle
• 圆环    angular ring; annular torus; annulus; celestial meridian; circle/roundabout; circlip; circular ring; cirque; disc; donut; intersection; tori; toroidal ring; traffic circle
• 角石    angle stone; breccia; hornstone; kadoishi; keratite; quoin stone; sumiishi; tsuishi
• 环角锥    gyrocone
• 破环角    fracture angle
• 原圆科    protostrongylidae
• 原圆属    protostrongylus
• 同心圆环；圆环    donut
• 带环角锥    angle with ring pitons
• 半圆环    doroid
• 椭圆环    ellipicity ring; elliptical ring; oval ring
• 圆环法    ring method; ring residual method
• 圆环类    machining allowances and tolerances for steel open die forgings on hammer-rings
• 圆环面    toroidal surface; torus
• 圆环筛    burch grizzly
• 圆环蛇    coral pipe snake; anilius scytale