以下为句子列表：
英文: 1 In air separation, liquid carbon dioxide, dissolved acetylene and cylinder filling plants, various chemicals are used for such operations as purifying, cooling, drying, water treatment, cleaning, etc...
中文: 在空分、液态二氧化碳、溶解乙炔和气瓶充装车间，在生产中均会用到各种化学品，它们被用于纯化、冷却、干燥、水处理和清洗等。
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英文: According to analyse the safe performance of double-barrelled middle-level pressure acetylene generator in the extrusion type to the dipeptide, and carry on the improvement of structure, the object of the safe usage was attained.
中文: 摘要对双挤压式中压乙炔发生器的安全性能做了分析，并进行结构改进，解决了使用中的安全隐患，达到安全使用的目的。
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英文: Contains of Oxygen Cylinder, Acetylene Cylinder, Oxygen Regulator, Acetylene Regulator, flashback arresters, high pressure flexible houses, cutting and welding kits, safety and protective equipment necessary.
中文: 包括氧气、乙炔瓶，氧气、乙炔减压表，回火器，高压软管，焊枪，割刀以及其他设备。
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英文: Distribution liquefied petroleum gas, oxygen, acetylene, 30,600, daily provisions, metal building materials, household appliances, products House.
中文: 经销液化气，氧气，乙炔，钢瓶，日用百货，五金建材，家用电器，土产日杂。
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英文: For a central gas installation, one oxygen and acetylene outlet station in the workshop, complete with low pressure regulator, pressure gauges and backfire valves.
中文: 低压布置在工作间，主要设备包括低压减压阀，压力表和回火器。
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