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允许间隙
1、clearance hole───穿通孔，出砂孔；排屑孔；（铸件的）出砂孔，（板牙的）排屑孔径
2、clearance sales───n.清仓削价销售( clearance sale的名词复数 ); [经] 出清存货，大贱买，销售底货
3、promoter clearance───启动子清除
4、clearance jobs───清关工作
5、allowable───adj.承认的，容许的；免税的
6、clearance shoes───间隙鞋
7、diffusive clearance───扩散间隙
8、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
9、clearance event───清关（外贸术语）
1、This paper presents laser welding, its principle, forms of welding joints, allowable clearance between welding joints, control of welding process and its application to the body manufacturing, etc.───介绍了激光焊的原理、接头形式、接头的间隙要求、焊接过程的控制及其在车身制造中的应用。
2、The clearance between the axis and the seal was adjusted based on the diagnosis result, and the vibration value of the pump was lowered to an allowable range.───根据诊断结果调整了轴与密封的间隙，使泵的振动值降至允许范围内。
3、protective safe clearance for a hidden tank shall be determined in accordance with the level of allowable destruction, location of explosion, and the safe clearance between two hidden tanks.───对于带有掩体的油罐，其防护安全距离的确定应根据允许PoHuai等级、爆炸位置以及有掩体的两油罐间防护安全距离的计算来确定。