型号 近似载荷范围(可定制自己所需的载荷范围) 100 BA-1 60 to 100 lbs(27 Kg. to 45 Kg.) 150 BA-1 90 to 155 lbs(41 Kg. to 70 Kg.) 250 BA-1 180 to 270 lbs(82 Kg. to 123 Kg.) 350 BA-1 290 to 370 lbs(132 Kg. to 168 Kg.) 500 BA-1 360 to 525 lbs(164 Kg. to 239 Kg.) 650BA-1 500 to 680 lbs(227 Kg. to 309 Kg.)