1.
unsealed radioactive substance
非密封的放射性物质
2.
Taper type hanger and straight type hanger are available for tubing head.
油管挂的密封形式有非金属密封(图一)金属密封(图二)种形式。
3.
Pipe threads where pressure-tight joints are not made on the threads
GB/T7307-1987非螺纹密封的管螺纹
4.
Gauges for nonsealing tube threads
非螺纹密封的管螺纹量规
5.
Performance and application of a non-vulcanizable anti-corrosive sealing paste
非硫化阻蚀密封膏的性能研究及应用
6.
non-enveloped thermistor
非密封型热敏电阻器
7.
non-contact sealed ball bearing
非接触式密封球轴承
8.
TEST STUDY OF A NEW TYPE NON-SEAL SLIDING BEARING CONE BIT
新型非密封滑动轴承牙轮钻头的试验研究
9.
Application Study on New-type Non-contacting Mechanical Face Seal on Propane Pump;
丙烷泵用新型非接触式机械密封的研究及应用
10.
Nonlinear Vibration and Bifurcation Analysis for Rotor-Bearing-Seal Systems;
转子—轴承—密封系统的非线性振动与分岔
11.
Research on the Nonlinear Dynamic Characteristics of a Rotor-Bearing-Seal System;
转子—轴承—密封系统非线性动力学特性的研究
12.
Study on Monitoring System of Face Information of Non-contacting Mechanical Seals
非接触式机械密封端面信息的监测系统研究
13.
Coupled Vibration of a Nonlinear Rotor-box Seal Impact/Rub System
非线性松动转子密封系统的耦合振动分析
14.
Application of Non-contacting Mechanical Seal in Propane Pump
新型非接触式机械密封在丙烷泵上的应用
15.
Numerical calculation of nonlinear dynamic characteristics for labyrinth seals
迷宫密封非线性动力特性的数值计算方法
16.
Application of Laser-textured in Non-Contact Mechanical Seal
激光加工在非接触式动压型机械密封中的应用
17.
Study on Coupled Vibration of Nonlinear Cracked Rotor Seal System
非线性裂纹转子密封系统的耦合振动分析
18.
Three-Dimensional CFD Analyses of Non-Contacting Gas Seal for Ultra-Micro Gas Turbine
超微燃气透平非接触式密封的三维CFD数值分析