楼承板中常用开口板的型号
楼承板中开口板型号:YX76-344-688,YX76-305-915,YX51-305-915,YX51-250-750,YX75-230-690,YX75-200-600,YX70-200-600,YX70-230-690,YX51-342-1025,YX51-240-720,YX51-226-678,YX38-152-914,YX38-152-750,YX38-152-915,YX38-152-900,YX76-294-880,YX80-200-600,YX130-300-600,YX76-320-960,
YX51-253-760,YX35-125-750,YX15-225-900,YX28-210-840,YX25-210-1025;;;;;;;;;;;;