When gardens are planted directly on the roof, a waterproof membrane is laid down first, followed by insulation and a root barrier.
当花园直接种植在屋顶上，防水膜放在最下层，其次是隔热和根障。
The walls of the cabin, which is heated only with a wood-burning stove, also contain a vapor barrier, a 6-inch structural wood frame with wood-fiber insulation, and a wood-fiber windproof plate.
小屋的墙壁与木材燃烧炉加热，也有水汽阻隔，6英寸的木结构框架由木纤维和木纤维隔热、防风板组成。
A water barrier was extruded on the insulation layer of electric cable to improve electric property and to lower the cost.
在电缆绝缘缆芯外挤包一层堵水材料，不仅可改善电缆的电气性能。而且可降低电缆材料的成本。
The most important part of converter transformer insulation is the valve side outlet device, which consists of bushing and surrounding barrier system.
换流变压器绝缘最关键的部位是由套管及纸板围屏系统组成的阀侧出线装置。
Air-conditioning metal ducts passing through non-conditioned spaces should be wrapped with thermal insulation enclosed in a vapor barrier .
经过非空调空间的空调金属风道应当用保温材料裹起来，保温材料外面加防潮层。
Discusses design requirements and some important points of duct insulation and vapour barrier in cold air distribution systems, and presents in details the concerns in construction of duct insulation.
探讨了低温送风空调系统中风管保冷与隔汽层的设计要求及设计中的注意事项，并详细论述了低温风管保冷层施工中应注意的问题。
The local ablation of thermal insulation barrier in nozzle convergence region and of throat insert is analysed.
分析了喷管收敛段绝热层及喉衬的局部烧蚀问题；
These blankets are a thermal insulation and fire barrier which is necessary to keep the thrust reverser structurally serviceable and can decrease the damage and repair costs from a duct burst or fire.
隔热毯是隔热及防火的一道屏障，对于反推装置结构的使用性，减少管道破裂或燃烧产生的损伤及维修成本来说，是很必要的。
Structural softwood decking beneath a polyethylene vapour barrier and deep I-beam rafters supports 500 mm of cellulose fibre insulation.
结构软木装饰在聚乙烯隔汽层下面，深的I型梁、椽支撑着500m m厚的纤维板保温层。
The middle layer (EPE) shows strong ability in moisture barrier, oxygen reduction and sound insulation.
中间层EPE有很强的防潮、阻氧、隔音、降噪功能；
The middle layer (EPE) shows strong ability in moisture barrier, oxygen reduction and sound insulation.
中间层EPE有很强的防潮、阻氧、隔音、降噪功能；
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