北海炼化轻重污油罐区及泵棚重污油传输泵P002配件中国石化北海炼化有限责任公司专用螺栓\W4.2Z-56Z0Mb1W91 81/304从动轴\W4.2Z-56Z0Mb1W91 31/42CrMo主动齿轮\W4.2Z-56Z0MB1W91 54/20CRMOTI从动齿轮\W4.2Z-56Z0MB1W91 55/20CRMOTI主动轴\W4.2Z-56Z0Mb1W91 30/42CrMo螺旋套\W4.2Z-56Z0Mb1W91 32/38CrMoAl螺旋套\W4.2Z-56Z0Mb1W91 33/38CrMoAl专用键\W4.2Z-56Z0Mb1W91 80/45#锁紧螺母\W4.2Z-56Z0Mb1W91 34/304
2026-08-19