◆规格：φ300mm

◆孔径： 0.075mm, 0.15mm, 0.3mm, 0.6mm, 1.18mm, 2.36mm, 26.5mm, 9.5mm, 13.2mm, 16mm, 19mm, 26.5mm, 31.5mm, 37.5mm, 53mm