1) approved type
认可的型式
2) Type approval
型式认可
1.
Discussion on the common problems in type approval of fire product;
消防产品型式认可中常见问题探讨
2.
This paper introduces the technical requirement and test methods of type approval for VDR,and offers the technical guide for VDR product type approval for the manufacturer,and gives the references to the VDR surveyors.
介绍了国内船用VDR型式认可的技术要求和试验方法,为VDR制造商申请产品型式认可提供技术指导,并为验船师在检验过程中起到参考作用。
3.
To the run-back test of a type of marine diesel engine for the type approval,the oil samples of the engine was obtained in rule,the evaluation of the reliability was done through carrying out the spectroscopic analysis and calculating the time series model,and the result of the disconnecting testing proved the correctness and reliability of the method.
针对某型船舶柴油机在船检型式认可中的跑合试验,有规律地获取其润滑油油样并进行光谱分析,建立磨粒浓度的时序模型,对柴油机的可靠性进行分析评价,拆检的结果验证了该方法的可靠性和正确性。
3) approved pattern
认可的型号
4) approved prototype
认可的原型
5) type approved product
型式认可产品
6) type approval certification
型式认可证书
补充资料：55°圆锥管螺纹型式和尺寸
| 螺纹代号 | 基本尺寸 英 寸 | 大径 mm d=D | 螺距 mm p | 每英寸牙数 tpi | 中径 mm d2=D2 | 小径 外螺纹 d3 | 牙型高度 H1 | 圆弧尺寸 r | 底孔尺寸 mm |
| R 1/16 | 1/16＂ | 7.723 | 0.907 | 28 | 7.142 | 6.561 | 0.581 | 0.125 | 6.4 |
| R 1/8 | 1/8＂ | 9.728 | 0.907 | 28 | 9.147 | 8.566 | 0.581 | 0.125 | 8.4 |
| R 1/4 | 1/4＂ | 13.157 | 1.337 | 19 | 12.301 | 11.445 | 0.856 | 0.184 | 11.2 |
| R 3/8 | 3/8＂ | 16.662 | 1.337 | 19 | 15.806 | 14.950 | 0.856 | 0.184 | 14.75 |
| R 1/2 | 1/2＂ | 20.955 | 1.814 | 14 | 19.793 | 18.631 | 1.162 | 0.249 | 18.25 |
| R 3/4 | 3/4＂ | 26.441 | 1.814 | 14 | 25.279 | 24.117 | 1.162 | 0.249 | 23.75 |
| R 1 | 1＂ | 33.249 | 2.309 | 11 | 31.77 | 30.291 | 1.479 | 0.317 | 30 |
| R 1 1/4 | 1 1/4＂ | 41.910 | 2.309 | 11 | 40.431 | 38.952 | 1.479 | 0.317 | 38.5 |
| R 1 1/2 | 1 1/2＂ | 47.803 | 2.309 | 11 | 46.324 | 44.845 | 1.479 | 0.317 | 44.5 |
| R 2 | 2＂ | 59.614 | 2.309 | 11 | 58.135 | 56.656 | 1.479 | 0.317 | 56 |
| R 2 1/2 | 2 1/2＂ | 75.184 | 2.309 | 11 | 73.705 | 72.226 | 1.479 | 0.317 | 71 |
| R 3 | 3＂ | 87.884 | 2.309 | 11 | 86.405 | 84.926 | 1.479 | 0.317 | 85.5 |
| R 4 | 4＂ | 113.030 | 2.309 | 11 | 111.551 | 110.072 | 1.479 | 0.317 | 110.5 |
| R 5 | 5＂ | 138.430 | 2.309 | 11 | 136.951 | 135.472 | 1.479 | 0.317 | 136 |
| R 6 | 6＂ | 163.830 | 2.309 | 11 | 162.351 | 160.872 | 1.479 | 0.317 | 161.5 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条