Wellinn.韦兰(在比利时;东经 5º07' 北纬 50º05')
welladv.很好地;相当地int.好吧;啊adj.健康的;良好的;适宜的n.井;源泉;楼梯井v.涌出
well salt and rock salt井矿盐
well-submersible pump井用潜水泵
well-distributed rate混合均匀度
well logging technology测井技术
well elevating conveyor矿井提升机
well-known performers知名演员
Well-to-do Peasants富裕农民
well pattern thickening井网加密
well-established laws常法
well loss zone's nature