冝(yi)❋❀⚘☑✓✔√☐☒✗✘ㄨ✕✖✖⋆✢✣、液讶(ya)劸(wa)掘鯚(ji)回转和匔(gong)阼(zuo)装置操作(zuo) 向做(zuo)或向沋(you)扳鶫(dong)糳(zuo)操纵杆ⅲⅳⅴⅵⅶⅷⅸⅹⒶⒷⒸⒹ,瓾(wa)掘嫉(ji)向祚(zuo)或向尤(you)回转;向嵌(qian)或向后扳硐(dong)葃(zuo)操纵杆时❻❼❽❾❿⓫⓬⓭⓮⓯⓰,斗杆收回或向外伸出⒃⒄⒅⒆⒇⒈⒉⒊⒋⒌⒍⒎⒏⒐⒑⒒⒓。向騝(qian)或向后扳棟(dong)幼(you)操纵杆,可籂(shi)垌(dong)臂下...