(?) (?)方(Fang)向(Xiang)易(Yi)变(Bian),(?)可(Ke)灵(Ling)活(Huo)改(Gai)变(Bian)输(Shu)送(Song)方(Fang)向(Xiang),(?)大(Da)时(Shi)可(Ke)达(Da)到(Dao)180度(Du);
(?) (?)输(Shu)送(Song)机(Ji),(?)每(Mei)单(Dan)元(Yuan)由(You)8只(Zhi)辊(Gun)筒(Tong)组(Zu)成(Cheng),(?)每(Mei)一(Yi)个(Ge)单(Dan)元(Yuan)都(Du)可(Ke)独(Du)立(Li)使(Shi)用(Yong),(?)也(Ye)可(Ke)多(Duo)个(Ge)单(Dan)元(Yuan)联(Lian)接(Jie)使(Shi)用(Yong),(?)安(An)装(Zhuang)方(Fang)便(Bian);
(?) (?)输(Shu)送(Song)机(Ji)伸(Shen)缩(Suo)自(Zi)如(Ru),(?)一(Yi)个(Ge)单(Dan)元(Yuan)长(Chang)与(Yu)短(Duan)状(Zhuang)态(Tai)之(Zhi)比(Bi)可(Ke)达(Da)到(Dao)3倍(Bei)。(?)