QJ301是一种基于铜焊接用的铜焊溶剂，本溶剂颗粒均匀细微，在温度为850-1150℃，钎焊紫铜及黄铜合金气焊或钎焊时作助熔剂用。
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针对机械加工制成铜带的不足之处采用MIG钎焊方法堆焊铜带。
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除了需要减少害虫和臭气等环境方面的考虑，塑料布还可防止沼气泄漏，使沼气可以通过井楼和橡胶管组成的网络收集在一起。
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She puts a piece of plastic tubing in her mouth and starts siphoning gas from a huge metal drum
她把一根塑料管放进嘴里，开始从一个巨大的金属桶里吸气。
《柯林斯高阶英汉双解学习词典》
It is forecasted that the proved natural gas geological reserves will be enhanced by 1 × 108m3.
预计可增加探明天然气地质储量1×108m3。
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Flue gas with high SO 2 concentrations or temperatures reduce the performance of the scrubber.
含有较高二氧化硫含量或者温度的废气将降低洗气器的性能.
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Rapid diagnosis of oral and maxillofacial anaerobic infections by gas chroma to graphy
气相色谱分析法在口腔颌面部感染快速诊断中的应用
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To Determine Trichloroethylene and Tetrachloroethylene in Air by Gas Chroma to graphy
气相色谱法测定空气中三氯乙烯和四氯乙烯
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利用高邮凹陷WZ、MTZ、SXF这3个地区含氮化合物地化资料分析研究其油气运移。
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A device made of plexiglass is added gas absorption tubegas flowmeter in the atmospheric sampler.
在大气采样器上加装防止倒吸装置,可防止吸收液倒吸进入流量计.
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The bar and the foam agent form a complete set of foam drainage gas recovery steps.
与泡排剂一起形成了完整配套的泡沫排水采气措施.
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In theory the mud should force the oil and gas back into thethe seafloor.
理论上,泥浆将迫使石油和天然气退回海床底部的油槽.
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The land can also release nitrosorgsid nitrous oxide , a hit trapping heat-trapping gas.
土地还会排放氮氧化物, 一种热传导气体.
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Gain and loss of oil products gas station are a very important issue in metering management.
加油站油品的盈亏是加油站计量管理的一项重要内容.
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