滚轮

roller towels───n.（套在滚筒上转动的）环状毛巾

roulette wheels───轮盘赌，轮盘法；轮子

potters wheels───波特车轮

alloy wheels───合金轮圈

bull wheels───大齿轮；主齿轮

center wheels───中心轮

idle wheels───[机]惰轮；[机]空转轮

The said installation is characterized in that co-axial but mutually counter revolutionary discs and roller wheels are mounted in the cooling case.───该装置的特征是在冷却箱中安装有同一轴心互为逆向旋转的圆盘辊轮。

Side guide system: with multiple roller wheels of small diameter.───侧规系统：多个小直径辊轮的固定侧规。

with an adjustable drawbar and roller wheels.───有可调拉杆和滚轮。

and the drive device controls the door body to lift and is arranged between the door body and the limiting roller wheels.───还包括控制所述门体升降的驱动装置，所述驱动装置设置在门体和限位滚轮之间。

Thickness ranges of both roller wheels───两滚轮厚度范围

Core distance ranges of both roller wheels───两滚轮中心距范围

The suitcase body is provided with an adjustable drawbar and roller wheels.

Touchable panels are one of the most basic user interaction devices for embedded devices -- keypads, sensors, and roller wheels also are included in many different devices for various purposes.