GCT-A手shou推tui小xiao車che以yi手shou推tui吊diao重zhong物wu驅qu動dong,能neng自zi如ru地di行xing走zou於yu工gong字zi鋼gang的de下xia翼yi緣yuan上shang,而er且qie車che輪lun輪lun緣yuan間jian距ju可ke以yi按an工gong字zi鋼gang軌gui道dao寬kuan度du要yao求qiu調tiao整zheng,將jiang手shou動dong葫hu蘆lu懸xuan掛gua在zai小xiao車che下xia方fang,組zu成cheng手shou動dong起qi重zhong運yun輸shu小xiao車che應ying用yong於yu各ge種zhong起qi重zhong作zuo業ye場chang合he。