Elastomeric seals - material requirements for joint seals used in water and drainage applications - part 3 : cellular materials of vulcanized rubber 合成橡胶密封件.排水设备用管接头密封件用材料的要求.第3部分:硫化橡胶泡沫材料
Elastomeric seals - materials requirements for pipe joint seals used in water and drainage applications - part 3 : cellular material of vulcanized rubber 合成橡胶密封件.排水设备用管接头密封件用材料的要求.第3部分:硫化橡胶泡沫材料
Elastomeric seals - material requirements for pipe joint seals in water and drainage applications - part 4 : cast polyurethane sealing elements 合成橡胶密封件.排水设备用管接头密封件用材料的要求.第4部分:浇铸式聚氨基甲酸乙酯密封元件
Elastomeric seals - materials requirements for pipe joint seals used in water and drainage applications - part 4 : cast polyurethane sealing elements 合成橡胶密封件.排水设备用管接头密封件用材料的要求.第4部分:浇铸式聚氨基甲酸乙酯密封元件
Party a agrees to regularly carry out the maintenance of the facilities , including but not restricted to cooling and heating air conditioners , ceilings , drains , pipes , cables , water heater , and water pressure , windows , doors , and locks within the property 甲方定期对公共设施进行维修保养，包括物业内空调、天花板、排水设备、管道、电线电缆、热水器及水汞、窗、门、锁等。
" highway facilities " mean drainage facilities ; protection installations ; crossroads ; boundary markers ; survey stakes ; safety , communications , checking , supervision , control , maintenance , and service facilities ; flower beds ; lawns ; trees ; and special - purpose buildings “公路设施”是指公路的排水设备、防护构造物、交叉道口、界碑、测桩、安全设施、通讯设施、检测及监控设施、养护设施、渡口码头、花草林木、专用房屋等。
