直立圆柱体 perpendicular cylinder
椭圆—立椭圆孔型系统 oval edge oval pass system
细圆柱体直径 Diameter of thin cylinder
直立圆柱 vertical circular cylinder; right circular cylinder
直圆椭圆 right circular elliptical
DBT支架立柱立柱 hydraulic cylinder of DBT roof support
立体立体选择性合成 stereoselective synthesis
椭圆柱体 elliptical cylinder; elliptic cylinders; elliptic-cylinder; Elliptic cylinder
圆─椭圆─圆孔型 round-oval-round pass
圆-椭圆-圆 round-oval-round
大模数圆柱直齿轮 spur gear with big modulus
均匀带电直圆柱面 uniform electric straight cylinder surface
立体直流电法 stereo DC electric method
两个垂直圆柱 two vertical cylinders
椭圆直射 elliptic projevtivity
斜、直圆柱绕流 flow around perpendicular and oblique circular cylinders
圆柱直齿齿轮 spur gear; cylindric straight-tooth gear
圆柱直齿轮 spur gear; column straight gear; cylinder gear; straight and cylindrical gear wheel
圆柱直轮 spur gear