大家都搜：
穿通孔，出砂孔；排屑孔
1、clearance jobs───清关工作
2、air holes───气孔；河中不冰冻部分
3、diffusive clearance───扩散间隙
4、holes───n.(Holes)人名；(匈)霍莱什；n.小孔；破洞（hole的复数）
5、clearance hole───穿通孔，出砂孔；排屑孔；（铸件的）出砂孔，（板牙的）排屑孔径
6、clearance event───清关（外贸术语）
7、security clearance───n.（对参加秘密工作人员等进行的）忠诚调查; 安全调查; 参与机密的资格; 安全级别 (An Quan Bao Mi)；忠诚调查；安全调查
8、big holes───大径钻孔
9、glory holes───n.炉口；（船员）放东西的地方
1、Fasteners - Clearance holes for bolts and screws───紧固件.螺栓和螺钉自由尺寸孔
2、Subland Twist Drills with Morse Taper Shank for Clearance Holes and Countersinks for Countersunk Head Screws───沉孔和通孔用莫氏锥柄阶梯麻花钻
3、Clearance Holes for Bolts, Screws and Studs───螺栓螺栓、螺钉和螺柱的
4、Check the screw holes of two flanges in the pipeline for alignment with reserved clearance.───检查管路两法兰的螺丝孔的是否有对正及预留的间隙。
5、Note: It may be necessary to drill clearance holes, twice the diameter of the screw, through the probe to accommodate projecting mounting screws.───注：可能有必要钻一个小孔，直径为螺钉的两倍大，用探头来接触突出的安装螺钉。
6、Subland Twist Drills with Parallel Shank for Clearance Holes and Countersinks for Countersunk Head Screws───沉孔和通孔用直柄阶梯麻花钻
7、diameter of clearance holes and counter bores forbolts and screws───螺栓孔径及埋头螺纹孔径
8、leak detection hole axis should pass the middle of two neighboring studs clearance holes.───检漏孔中心线应对两相邻螺柱通孔跨中。
9、Clearance Holes for Metric Threaed Fasteners───公制螺纹紧固件通孔