塑料四辊压延机 plastic four-roll calender

四辊压延机 four-roll calender ; four roll calender ; four-bowl calender

立式四辊压延机 four-roll vertical ; four-roll stack calender ; four-bowl superimposed calender

四辊橡胶压延机 four roll rubber calender

四辊薄膜压延机 four-roll sheeting calender