crossbit十字形钻头crossv.穿过；交叉；杂交；反对；勾掉；碰见；阻挠n.十字架；十字形；杂交动植物；苦难adj.交叉的；相反的；生气的；杂交的cross conpoundadj.交叉双轴式的cross-impactn.交叉影响法cross-pillar越层柱cross feedback正交反馈cross head gib十字头扁栓cross purchase交互购买crossing joint相贯节点cross springer交叉穹肋cross-mining跨采石门crossjack sail下横帆