Round supply of nylon abrasive polishing abrasives, including grinding wheels, wings to fly round, grinding discs, grinding wheels special relief, such as scouring pad.
供应尼龙轮抛光研磨磨料磨具， 制衣车间设备包括研磨轮、飞翼轮、研磨碟、特宽研磨辘、百洁布等。
The leak occurred in a 7-inch round plate that attaches plumbing and cables from the shuttle's external tank to the launch pad.
泄漏发生在一个7英寸的圆盘内，它装有从飞船的外部燃料箱到发射台的水管设施和电缆。
The leak occurred in a 7-inch round plate that attaches plumbing and cables from the shuttle's external tank to the launch pad.
泄漏发生在一个7英寸的圆盘内，它装有从飞船的外部燃料箱到发射台的水管设施和电缆。
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