海水液压由于具有清洁、结构简单、运行成本低、难燃等优点，已在国内外的海洋装备中得到了广泛应用。
Seawater hydraulics have been widely used in domestic and international ocean equipment because of its advantages of cleanliness, simpleness of system composition, low operating cost, nonflammability.
是一种难燃的片状材料。
与烟煤相比，无烟煤具有着火难、难燃烬的特点。
Compared with bituminous coal, anthracite coal is much more difficult to take fire and combust completely.
酚醛树脂以其难燃、低发烟、耐热的优点被大量使用。
The phenolic resin can be widely used in the subway because of its flame retardant, low smoke and heat resistance.
本文介绍了水-乙二醇难燃液压液的研制与应用情况。
This paper presents the research and application of water-ethylene glycol fire resistant hydraulic fluid.
该产品安全，难燃防火，无污染，可直接安装在负荷中心。
This product safety, fire retardant, no pollution, can be directly mounted in load center.
提出了难燃液偶合器在井下防爆作业安全运行的技术措施。
Technical measures are proposed for safe operation of fireproof fluid hydraulic coupling in explosive pit environment.
叙述了氯乙烯-丙烯腈共聚物的难燃性、耐化学药剂性及热成型性等主要性能。
The main properties of vinyl chloride-acrylonitrile copolymer, such as fire retardance, chemical resistance and heat molding property, were introduced.
介绍了国内外水-乙二醇难燃液压液的标准情况，包括其主要使用性能和试验方法。
The domestic and foreign standards of water-glycol fire resistant hydraulic fluid are described, including the main working performances and test methods.
BF型产品由无机不燃材料制成，BF-3型产品由无机和有机难燃材料复合而成。
Type BF partition is made of inorganic non-flammable materials, and type BF-3 compounded with both the organic and the inorganic non-flammable materials.
讨论了难燃接枝聚合物聚醚多元醇的用量对聚氨酯软质泡沫密度、氧指数和力学性能的影响。
The effects of FRGPPP content on density, oxygen index and mechanical properties of FPUF were investigated.
此类装饰板的氧指数值可以达到日本标准(JIS D 1201—77)中的难燃等级一级。
It could meet the first combustion grade of the Japanese standard (JISD 1201-77).
合成树脂瓦主体材料聚氯乙烯树脂自身属于难燃材料，经国家防火部门检测防火性能达到B1级。
Synthetic resin tile main materials in PVC resin oneself belong to flame retardant materials, the national fireproof department to examine fire performance reach B1 level.
按GB8624- 1997《建筑材料燃烧性能分级方法》，本产品为b1级难燃材料，确保安全可靠。
According to GB8624-1997 "building materials combustion performance of grading method", this product is the B1 level flame retardant materials to ensure safe and reliable.
按GB8624- 1997《建筑材料燃烧性能分级方法》，本产品为b1级难燃材料，确保安全可靠。
According to GB8624-1997 "building materials combustion performance of grading method", this product is the B1 level flame retardant materials to ensure safe and reliable.
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