通过理化检验和宏微观检查，分析了脉动真空灭菌器内腔开裂失效的原因。
The cause for corrosion-induced failure of inner cavity of pulsation vacuum sterilizer was analyzed through physical and chemical inspection, macroscopical and microscopical examination.
微型台式真空泵是专为化学检验，临床检验、生物工程、冶金、环保等实验室设计制造的。
The mini-table type vacuum pump is manufactured specially for laboratories such as chemical inspection, clinic inspection, bioengineering, metallurgy, environmental protection, etc.
诸城市新中佳食品机械有限公司是生产真空包装机的专业厂家，被国家技术质量监督检验为合格单位。
ZHUCHENG CITY XINZHONGJIA FOOD MACHINERY CO., LTD. specializes in vacuum packaging machine and passed inspection of National Technology and Quality Bureau.
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