| 1. | Cryogenic seal in cryogenic refreigerator
小型低温制冷机上的低温密封型式浅析 |
| 2. | Non - enveloped thermistor
非密封型热敏电阻器 |
| 3. | Co2 sealed tube lasers
二氧化碳激光密封型 |
| 4. | Thermal motor protectors for motor - compressors of hermetic and semi - hermetic type
密封型和半密封型电动机-压缩机电动机热保护装置； |
| 5. | Radiological protection standards for unsealed radioactive sources logging in oil and gas - field
油气田非密封型放射源测井放射卫生防护标准 |
| 6. | Radiological protection standards for unsealed radioactive sources logging in oil and gas - field
油(气)田非密封型放射源测井放射卫生防护标准 |
| 7. | Radiological health protection standard for using sealed radioactive sources in oil and gas - fild logging
油气田测井用密封型放射源放射卫生防护标准 |
| 8. | Radiological health protection standard for using sealed radioactive sources in oil and gas - fild logging
油(气)田测井用密封型放射源放射卫生防护标准 |
| 9. | Sealed type bearings are mudproof , dustproof , and leakproof ( grease ) without the use of shaft seals
密封型轴承具有防泥、防尘、防漏（脂）性能，无需使用轴密封。 |
| 10. | Low - voltage switchgear and controlgear ; position switches with , flat design , encapsulated ; functional and mounting dimensions
低压开关装置和控制装置.密封型定位开关.结构安装和 |
