求翻译：工人通过天车等将带卷放到上料小车鞍座处，小车升高并将带卷自动东道作业现和开卷机卷筒的中心线上，开卷机卷筒由液压张开，使其与卷材内径胀紧。是什么意思？

Workers by crane with the volume on the feeding cart saddle, car elevated and with center line volume automatically host job now and uncoiler reel uncoiler reel open by hydraulic, it Coil inner diameter swelling.

By day, workers will be car with the car on the saddle, car lift and volume with automatic host job is and book-roll on the center line, book-roll by the hydraulic, roll it with the inner inflation.

The worker and so on puts through the overhead traveling crane the reel to the high-quality goods car saddle place, the car ascension and the reel automatic host work presently with in the unwinding coiler reel middle line, the unwinding coiler reel opens by the hydraulic pressure, causes its and th

Workers by crane with volume charging trolley of saddle, the car rise and automatically host job is now with volume and on the centerline of the uncoiler reel, uncoiler reel by hydraulic opening, align it with the volume material inside diameter expansion.

正在翻译，请等待...