单词	可靠示准层
释义	可靠示准层reliable marker
随便看	low-velocity coorection low-velocity drop low-velocity electron low-velocity--electron low-velocity gun low velocity layer low-velocity layer low-velocity layer shooting low-velocity neutron low-velocity--neutron low velocity scanning low velocity zone low-velocity zone low-velocity zone (lvz) low-velocity zone（lvz） low vertical photograph lowville low visibility low vision low voice low volage radiography low volatile bituminous coal low-volatile bituminous coal low-volatile biturninous coal low-volatile coal