美国Airpot气缸美国Airpot气缸产品规格︰气缸无阻力气缸无阻尼气缸玻璃气缸减振器减震器阻尼器dashpotprecisionairdampingdashpotpneumaticactuatorsnubbers......常用型号:104056-150152-257064-257071-257213-257223-173615-275981-178642-181773-188664-1A***017-1A***017-5)