三级在线观看国产日本_美女高潮喷水抽搐视频_国产精品老牛影院在线观看_亚洲成人伦理精品_亚洲中文精品高清_国产真实在线_徐婷被房东揉到高潮的视频_琪琪无码热热色原

Product Features :

It is typical of unique optimal structure in shortening the distance between the machine body and the beam tracks ,applicable to operations inside fairy low buildings ,especially suitable for use in temporarily erected plant buildings or on the sites where expansion of effective hoisting spaces inside the buildings is required.

在縮短機體與橫梁軌道間距離上具有獨特的最佳結構,適用于在較低建筑物內使用,尤其適用于臨時搭建的廠房內或者在其內需要擴大有效起升空間的場所。