能量设计因子；
This article mainly discussed the common energy-saving measures in residential planning and design and some restriction factor of these measures in the actual operation.
本文重点探讨住宅建筑规划与设计中的一些常用节能措施以及这些措施在实际操作中的一些限制因子。
The safety design of the hydrogen bottles is an important factor in hydrogen energy vehicle crashworthiness.
氢瓶碰撞安全问题是影响氢能源轿车耐撞性的一个重要因素。
The safety design of the hydrogen bottles is an important factor in hydrogen energy vehicle crashworthiness.
氢瓶碰撞安全问题是影响氢能源轿车耐撞性的一个重要因素。
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