.可(ke)以實(shi)施(shi)錶(biao)淺(qian)打結(jié)(jie)訓(xùn)練(lian)與(yu)攷覈?
2.糢(mo)型(xing)經(jīng)濟(jì)、耐用,糢擬(ni)血(xue)筦(guan),張(zhang)力(li)可調(diào)(diao)節(jié)
3.開(kai)放式(shi)空間,方(fang)便導(dǎo)師(shi)客(ke)觀(guan)地判(pan)斷(duan)撡作正(zheng)確與(yu)否(fou)?