用“jib”造句大全，jib造句
jibtypetractorloaderjibadjustinggeardownsteppedcurvedjibShipbuilding-jibcranesmobilecranewithlatticejibmobilecranewitharticulatedjibdoublelinkjibinparallelogram"Courses,tops'ls,andflying-jib,sir."m...
用“lattice jib”造句大全，lattice jib造句
mobilecranewithlatticejibTheoverallstabilityanalysisofthecrane'slatticejibwithmainandvice-jibstructureisevenmoredifficulttotechnicianinourcountry....