焊接长吊环技术参数额定载荷(t)实验载荷(t)直径d(mm)内长a(mm)内宽b(mm)重量(kg)12φ16901600.9624φ20901601.203.26.4φ22901601.47510φ261001802.32816φ321102003.951020φ361202205.5112.522φ401402507.751627φ4516029011.292032φ5018032015.452540φ5318032017.533248φ5820036023.454060φ6320036028.055075φ7022040038.406394φ7522040044.6380120φ8524043062.41100150φ9025045073.32)