flat and cone top cans 扁平罐和漏斗罐
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。
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