权威例句
Adjustable ball hingesAdjustable holding device for sensorsAdjustable ball pin pivotAdjustable bearingAdjustable bearingAdjustable motion detectorPortable lightweight adjustable computer tableIMPROVED HINGE MEANS FOR A ROTARY SOLENOID ARMATUREFolding and adjusting hinge for stabilized equipment supportLocking hinge for convertible stand/table