days of heating period 采暖期天数
degree-days of heating period 采暖期度日数
pre-heating period 预热阶段
Vapour-phase heating period 气相加热阶段 ; 汽相加热阶段
heating period for calculation 计算采暖期天数
non-heating period 非采暖期
non heating period 非采暖期
preliminary heating period 供热初期
day of heating period 采暖期度日数
Vehicle exhaust emission and fossil fuel combustion during heating period were recognized as the major sources for atmospheric BTEX based on analyzing the characteristic ratio of benzene to toluene (B/T).
对苯与甲苯特征比值(B／T)的分析表明交通尾气排放以及冬季和早春采暖期化石燃料燃烧是北京市大气中BTEX的主要来源。
参考来源 - 北京市苯系物污染水平和变化特征·2,447,543篇论文数据，部分数据来源于NoteExpress
The children are not allowed to contact with this unit during charging and heating period; no one is allowed to use this unit during charging and heating period.
严禁儿童在充电加热时接触本产品；严禁任何人在充电加热时使用本产品。
The results show that air pollution situation of Tieling is related closely to heating period in winter and meteorological condition and environmental management level.
认为铁岭市的空气污染状况与采暖期和气象条件及环境管理措施等有关。
The combined heating with solar heat source and heat source of centralized heat-supply system is an effective method to fulfill the extension of heating period and supply of domestic hot water.
引入太阳能热源系统与集中供热热源联合供热是实现增加供热时间及供应生活热水的有效方法。
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