But the dolphin has a bottle-shaped nose and cone-shaped teeth while the porpoise has a flat nose and chisel-shaped teeth.
但是“dolphin”有长圆形的鼻子和锥形的牙齿，而“porpoise”的鼻子却是扁平形，牙齿是凿形的。
Based on the geometrical relation between tappets and cams, uniform formulas for mutual lift-range transition between flat based tappet, roller (or sphere) tappet and cone tappet were presented.
通过分析不同从动件与凸轮的几何关系，推导出一组平底挺杆、滚子或球面挺杆、尖锥挺杆升程的相互转换通用公式。
The invention also discloses method for fabricating composition of glass cone of CRT and flat, high strength glass cone of CRT.
本发明还公开了用于制造阴极射线管玻锥的组合物和扁平高强度阴极射线管玻锥制造方法。
Tube caps include convex hull, hats, cone tube diameter changes, flat cover and tightening of design.
管帽包括凸形管帽、锥壳、变径段、平盖及紧缩口的设计。
The invention relates to a rotary type automatic molding machine of a paper cone; the key technical points include: a deck plate, a frame, a pillar and an upper flat plate form a basic platform;
本发明涉及回转式纸盆自动成型机，其技术要点在于：台面板、机架、立柱、上平板构成基本平台；
The invention relates to a rotary type automatic molding machine of a paper cone; the key technical points include: a deck plate, a frame, a pillar and an upper flat plate form a basic platform;
本发明涉及回转式纸盆自动成型机，其技术要点在于：台面板、机架、立柱、上平板构成基本平台；
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