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| 51. | burning off discharge, burnt-out discharge |
| 烂花拔印 |
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| 52. | Between 1992-2001, sewage discharge dropped by 57.2 percent, solid waste discharge declined by 33.4 percent |
| 1992-2001年，污水排放量下降57.2%，固体废物排放量下降33.4%，废气排放量下降30.5%。 |
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| 53. | General technical requirements of gas discharge tubes for the over-voltage protection of telecommunications |
| GB9043-1988通信设备过电压保护用气体放电管通用技术条件 |
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| 54. | Those whose discharge of waste gas is above the standard set by the State are prohibited. |
| 那些废气排放超过国家所规定的标准的车辆被禁止使用。 |
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| 55. | Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinder. |
| 使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体。 |
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| 56. | Discharge a patient;discharge a soldier. |
| 允许病人出院；让士兵退伍 |
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| 57. | The discharge of toxic waste gas and dust into the atmosphere shall be strictly restricted. |
| 严格限制向大气排放含有毒物质的废气和粉尘； |
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| 58. | Use a pressure-reducing regulator or separate control valve to safely discharge gas from a cylinder. |
| 使用减压调整器或单独的控制阀门来从钢瓶内安全的排出气体。 |
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| 59. | When such discharge is really necessary, the discharged gas or dust must undergo purification treatment |
| 确需排放的，必须经过净化处理，不超过规定的排放标准。 |
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| 60. | A gas discharge tube used in an electronic flash to produce a brief, intense flash of light. |
| 闪光管一种用于在电子闪光时产生短暂而强烈的光束的气体释放管 |
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