The gravel traps are about25 cm deep and filled with spherical gravel stones with diameters of between5 and16 mm in diameter.
沙砾缓冲区大约深25厘米，中间填满了直径在5毫米到16毫米之间的圆形砂石。
Research on Outer Race Elliptical Groove Grinding with Basin-like Grinding Wheel
盆状砂轮磨削钟形壳椭圆沟道的研究
interchangeable conical glass ground joints
化学分析玻璃仪器-互换圆锥形磨砂接头
It contains the deeply dissected Bungle Bungle Range composed of Devonian-age quartz sandstone eroded over a period of20?
这些成行成列的塔形或圆锥形的山峦，由泥盆纪时代的石英砂构成。
3D Profile and Generating Mechanism of Cylindrical Surface Lapping Machined with Abrasive Jet Flow Restricted by Grinding Wheel
砂轮约束磨粒喷射加工外圆表面创成机理及三维形貌
The Fractal Dimension of Cylindrical Surfaces for Abrasive Jet Finishing Restricted by Grinding Wheel
砂轮约束磨粒喷射精密光整加工外圆表面分形维数的研究
internal grinding head
内圆磨(砂轮主轴)头
cymbal form resin bond wheel
圆盘式树脂结合剂砂轮
centerless cylindrical grinding machine with wide grinding wheel
宽砂轮无心外圆磨床
angular wheel slide grinding machine external
斜置砂滑座外圆磨床
extension bar for grinding wheel axle of internal grinding machine
内圆磨床砂轮轴接杆
A cylindrical container or object.
圆柱形容器，圆柱形物体
Circles, stars, hearts and squares.
圆形，星形，心形，和正方形。
Resembling an ellipse in shape;elliptical.
椭圆形的形状类似椭圆的，椭圆的
Moving in or forming a circle.
进入圆内或形成圆的
A rounded protuberance.
圆块，团圆形突出物
something with a round shape like a flat circular plate.
象扁平的圆盘的圆形物。
forming machine for making foundry moulds of sand (excl. sand-jet sprayers)
铸造用砂模成形机（不包括喷砂装置）