| 1. | A glass envelope is used to contain a gas at about 1/1000 atmospheric pressure .
玻璃外壳中的气体压强约为11000大气压。 |
| 2. | Quality control of color picture tubes may require the salvage and reuse of the glass envelopes .
彩色显像管的质量控制需要利用和回用玻璃泡废料。 |
| 3. | Lead oxide in the glass envelope of black light blue ( blb ) lamps
蓝黑灯管( blb )玻璃外罩所含的氧化铅。 |
| 4. | A glass envelope is used to contain a gas at about 11000 atmospheric pressure
玻璃外壳中的气体压强约为1 1000大气压。 |
| 5. | Glass envelope ' s outer diameter
玻壳外径 |
| 6. | A glass envelope is used to contain a gas at about 1 / 1000 atmospheric pressure
玻璃外壳中的气体压强约为1 1000大气压。 |
| 7. | Glass envelope type
玻壳型式型式 |
| 8. | As previously stated , the sensing thermistor does not require calibration , and will last indefinitely ( provided that the protecting glass envelope is not broken or chemically attacked )
象以前说的那样，热敏电阻无需校准，而且只要外面的保护玻璃罩没被打碎或者被化学腐蚀就能一直用下去。 |
