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- fixed dry chemical system 固定式干粉灭火系统
- Use dry chemical fire extinguisher. 用干粉灭火器。
- Use water spray, foam, dry chemical or carbon dioxide. 使用水雾,泡沫,化学干粉或二氧化碳灭火剂。
- Dry chemical,sandy soil,chemical foam or carbon dioxide. 干粉，砂土，泡沫及二氧化碳。
- Extinguishing media: Water spray, foam dry chemical or carbon dioxide. 熄灭媒质：喷水，泡沫，干粉灭火器及其二氧化碳。
- Real ants communicate with each other by a chemical system called pheromones. 真正的蚂蚁通过名为信息素的化学系统彼此交流。
- Extinguishing measures: Dry chemical,Foam and CO2 fire extinguisher. 乾粉，泡沫和二氧化碳灭火器。
- Sprinkler system installers fabricate, install, test, maintain and repair water, foam, carbon dioxide and dry chemical sprinkler systems in buildings for fire protection purposes. 喷水系统安装工负责制造，安装，测试，维护和修复建筑物中的水源，泡沫，二氧化碳和干化学自动喷水灭火系统以达到防火目的。
- The chemistry of the effects of light on chemical systems. 光化学研究光在化学体系上影响的化学
- Any of the minimum number of substances required to specify completely the composition of all phases of a chemical system. 组分:任一能完全区分各种化学系统所有构成成分所必需的最少量物质。
- The partial or complete polar separation of positive and negative electric charge in a nuclear, atomic, molecular, or chemical system. 极化（作用）在一个原子核、原子、分子或化学系统中，正负电荷的部分或完全的二极分化
- Objective To contrast analyzs urine liquid examination with dry chemical method uropsammus analyzer, artificial microscopy. 目的:对比分析尿液检验干化学法、沉渣分析仪分析法和人工镜检法。
- The workmen fixed the water system. 工人们装好了供水系统。
- Objective: To determine the significance between the dry chemical apparatus examination and the urinary sediments examination of the erythrocyte. 摘要目的：探讨干化学法和尿沉渣镜检检测尿液中红细胞的不同意义。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- Nowak has been busy working on how to whittle down the emergence of life into the simplest possible chemical system that he can describe mathematically. 诺瓦克一直努力将生命的起源简化成最简单的化学系统，以便用数学算式来描述。
- Study the effect reason of this method to provide data for mobile blood donation room in selecting dry chemical scrip reagent and reduce to waste blood. 探讨本法的影响因素 ,为流动采血点选用干化学试纸条试剂 ,减少血液浪费提供依据。
- The surface modification of light calcium carbonate (LCC) was studied by the technique of dry chemical surface modification with JZ or TZ as modifying agent. 摘要采用干法表面化学改性，用脂肪酸类表面活性剂(JZ)或钛酸酯类偶联剂(TZ)对轻质碳酸钙进行了表面改性，并将改性轻质碳酸钙填充到丁苯橡胶中制备硫化胶。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
