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Mainly directing against leaking of PZ900 high temperature flat valve body with hydraulic pressure, utilizing foundry technology theory and metal solidification principle, combineing computer aided design, analyzed casting process and found out the defect
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摘要主要针对PZ900高温平板闸阀阀体试压渗漏的问题，利用铸造工艺理论和金属凝固原理，结合计算机辅助设计，对阀体的铸造工艺进行了分析，找到了产生缺陷的根本原因，解决了该件的渗漏问题。 |
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Mainly discussed the use of PLC in wrapper, constant tensioned winding under variable frequency speed regulation, the use of servo system in accurate location, and also discussed the mathematic model of the auto control system of the wrapper.
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摘要介绍了PLC在分条整经机中的应用，变频调速下的恒张力控制，伺服系统的精确定位，并且讨论了整经机自动控制的数学模型。 |
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Mainly diseases caused from germ.
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大多数疾病都是由细菌引起的。 |
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Mainly distributes,advanced control systems and mechanically powered components for medical use from Europe,America,Asia,Japan and Taiwan etc,such as series of”L&N”brand electrical control systems and series of pneumatically,electrically,hydraulically pow
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主要代理欧美亚日台湾等地区国家先进的医疗器械动力及控制系统元件，包括气动，电动，液压及台湾“林肯牌”电机系统等系列产品，广泛的应用于各种医疗器械设备，如ICU电动床，居家护理床，妇科台，牙科椅，运动器械及家具和工业应用。 |
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Mainly engaged in capital investment, asset management, real estate investment and high-tech enterprises, venture capital investments in the industry have a higher visibility.
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主要从事资本投资、资产管理、房地产投资以及高科技企业的创业投资，在业内具有较高的知名度。 |
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Mainly engaging in research Culture and communication Of Calligraphy and Painting.
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主要从事书画研究与交流工作。 |
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Mainly for the dry cleaning of clothing, computer version cleansing, leather and fur cleaning, metal cleaning and synthetic organic materials.
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主要用于服装干洗，电脑版清洗，皮毛清洗，金属清洗以及有机合成的原料。 |
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Mainly for usa and euro market,items of garments and houseware.
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主要欧美市场，服装与家用产品。 |
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Mainly in a way of myth and archetypal criticism, combined with Jung's theory of archetypes and the collective unconscious, this article tries to concretely analyze the theme of Lord of the Flies so as to exhibit another facet of the novel.
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摘要以神话原型批评理论为指导，结合分析心理学创始人荣格的原型说与集体无意识理论，从新的角度对《蝇王》进行剖析和探讨。 |
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Mainly in their 20s and 30s, they are in a sexually active age group.
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他们大多数二、三十岁，性需求比较旺盛。 |
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Mainly introduce top 500 business enterprises, big chain superstores, international famous brands, Business Street with special characters and business nets, foreign tourist hotels above 4 stars, medium and high class luxury entertainment and recreation f
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重点引进全球500强商业企业大型连锁超市、国际著名品牌、特色商业街及商业网点、四星以上旅游涉外宾馆、中高档娱乐休闲设施建设等；电子商务、现代物流服务体系、大型批发中心建设等；咨询服务、科技服务、中介服务、物业管理服务等；文化旅游、会展等产业。 |
