特殊用法adjustable clearance1.可调间隙air traffic clearance1.航空交通批准证； 由地面到飞机控制的区域air-traffic control clearance1.空中交通管制许可证allow clearance1.容许间隙， 许用余隙ample clearance1.充分间隙， 宽大间隙angular clearance1.角形间隙anket clearance1.通用出入港许可approach clearance1.允许进场axial clearance1.纵向间隙， 轴向间隙back clearance1.背隙（螺纹）bearing clearance1.轴承间隙bilateral clearance1.两面间隙blade clearance1.剪刃间隙blanket clearance1.出入港通用证bottom clearance1.齿根与齿顶间的间隙， 径向间隙brake clearance1.闸间隙bridge truss clearance1.桥桁架限界bump clearance1.震动间隙burr and chip clearance1.排屑间隙cam clearance1.凸轮间隙car clearance1.车辆限界circumferential clearance1.圆周间隙chip clearance1.切屑间隙clutch pedal free clearance1.离合器踏板自由行程， 离合器踏板松动量concave clearance1.凹板间隙construction clearance1.建筑（接近）限界contact clearance1.接点间隙， 触点间隙control-rod clearance1.控制棒余隙crest clearance1.端部间隙； 顶部间隙， 外径间隙， 径向间隙customs clearance1.结关， 海关放行cutting clearance1.后角； 间隙角cylinder clearance1.汽缸间隙diametral clearance1.径向间隙die clearance1.模间隙drawing clearance1.拉延间隙drill lip clearance1.钻刀余隙角effective clearance1.有效间隙electric clearance1.电力输送净空end clearance1.端隙equal clearances1.(相)等（余）隙excessive clearance1.过量余隙expansion clearance1.膨胀间隙fit clearance1.配合间隙full scale clearance1.全部清除（存储信息）gap clearance1.对接点间隙， 接头间隙gear clearance1.齿轮间隙gear tip clearance1.齿顶间隙gear-to-housing clearance1.齿轮对箱体的间隙giving clearance1.(海关)给予结关groove clearance1.(活塞)槽中间隙ground clearance1.地面清除； 离地距离guide clearance1.导承间隙， 导向部间隙heel clearance1.轴封踵隙hull tip clearance1.船体叶梢间隙immune clearance1.免疫清除inside clearance1.内余隙internal customs clearance1.国内结关iodopyracet clearance1.碘吡清除率joint clearance1.接合间隙labyrinth clearance1.迷宫间隙land clearance1.周刃隙角lateral clearance1.侧隙lip clearance1.钻缘隙角longitudinal clearance1.纵向余隙low clearance1.低空， 低高度maximum support clearance1.最大支承间隙mechanical clearance1.机械间隙mill clearance1.滚距navigational clearance1.航行限界negative clearance1.豁免证明normal clearance1.正常间隙obstacle clearance1.障碍间隙oil clearance1.油膜间隙on-top altitude clearance1.云上飞行间隙outward clearance1.出口许可证overhead clearance1.顶部余隙overwind clearance1.过卷距离paddle-tip clearance1.(吹送机的)叶片顶端与外壳间隙path clearance1.【电磁】路径空隙pedal clearance1.踏板间隙peripheral clearance1.周围间隙piston clearance1.活塞间隙piston ring side clearance1.活塞环端隙pivot clearance1.轴肩间隙plate clearance1.板极间距pole clearance1.极距； 杆距port clearance1.出口货单portal clearance1.桥门限界； 隧道峒门限界primary clearance1.初始间隙； (刀具的)主后角print clearance1.芯头间隙radial clearance1.径向间隙railroad clearance1.铁路限界rebound clearance1.回跳间隙renal clearance1.肾清除率restricted clearance1.限制净空ride clearance1.动力挠度rim clearance1.(两轮)轮缘间隙running clearance1.齿侧隙safety clearance1.安全限界secondary clearance1.副后角； 二次间隙shell clearance1.套管间隙side clearance1.旁隙skirt clearance1.裙部间隙split clearance1.单独分开清除spring clearance1.游丝间隙structure clearance1.建筑接近限界swarf clearance1.切屑余隙tappet clearance1.挺杆间隙， (汽门)推杆间隙terrain clearance1.离地高度throat clearance1.(机床的)弯喉间隙tip clearance1.齿顶间隙； 顶部空隙， (螺杆螺纹的)外径间隙tolerance clearance1.间隙公差tool clearance1.刀具后角tooth clearance1.齿顶与齿根间隙track clearance1.轨道限界tunnel clearance1.隧道限界underframe clearance1.犁架高度valve clearance1.阀门间隙； 阀余隙valve stem clearance1.气门杆间隙vehicle clearance1.车身离地高度vertical clearance1.竖向净空； 垂直间隙water clearance1.隔水距离wire-crossing clearance1.跨越高度work clearance1.加工余隙working orthogonal clearance1.工作后角wreck clearance1.出险清理wrench clearance1.扳手空位， 扳手开口zero clearance1.零间隙clearance for pulling condenser tubes1.凝汽器抽管距离clearance of goods1.报关； 货物结关clearance of retarder1.减速器［缓行器］接近限界clearance of roadside traffic1.清理沿线各站货运办法clearance of span1.桥跨限界clearance of switch1.尖轨跟端槽宽clearance of the lower branches1.打枝clearance of wood from land1.林地整治， 开垦