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