求翻译：　　　二辊夹送：开卷机紧靠在卷材的外径上有一个可调节的缓冲辊，改缓冲辊将卷材的头部送入前夹送机中，夹送机提供卷材头部到剪切、焊接机。是什么意思？

Second roller pinch: uncoiler an adjustable buffer roller abuts on the outer diameter of the coil, change the buffer roll before the coil head into the pinch machine pinch machine web head to cutting, welding machine.

pinch roller 2: book-roll in the immediate vicinity on the outside diameter can be adjusted with a roller, the buffer will be replaced by buffer roller feed rolls in the head in the folder, the folder to the airport to the airport with his head to cut roll, welding machine.

　　　Two rollers clamp deliver: Unwinding coiler abutting has the cushion roller in the volume material outer diameter which may adjust front, will change the cushion roller to curl the material the forehead to send in clamps delivers acft, will clamp delivers acft provides the volume material forehea

　　　II roller pinch: uncoiler immediately on the outer diameter of the coil has an adjustable cushion roll, modified cushion roll the coil head into the front pinch machine, sheet pinch machine, welding machines to cut to the head.

正在翻译，请等待...