您要查找的是不是：
- up feed heating system 上给下分式供暖系统
- regenerative feed heating system 再生加热系统
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- The heating system in this block doesn't work well. 这个街区的供暖系统不太好用。
- The workers are installing a heating system. 工人们正在安装供暖系统。
- This heating system has an automatic temperature control. 这个暖气系统有自动化的温度调节系统。
- If the pressure is too low, the heating system will act up. 如果压力太低, 供暖系统就会出毛病。
- Conversion of your heating system from coal to gas will be costly. 你把暖气系统由烧煤改造成烧瓦斯会花好多钱。
- A pump in the boiler sends hot water round the central heating system. 热水器中的水泵将热水输送给集中供热设备。
- A pump in the boiler send hot water round the central heating system. 热水器中的水泵将热水输送给集中供热设备。
- We're installing a new heating system. 我们正在安装新的取暖装置。
- If the child wants to drink a milk again inside two hours, state the child is going up feed when not satiate. 如果孩子在两个小时内又要喝奶，就表示孩子在上一餐的时候没有吃饱。
- Something is wrong with the heating system. 供热系统有问题。
- The heating system has recently been modified to make it more efficient. 最近供暖设备已稍加改动以提高效率。
- They put out for tenders for a new central heating system. 他们招标承办一套新的暖气设备。
- The star's fusion "heating system" is disrupted. 恒星聚变的“加热系统”被破坏了。
- We' re installing a new heating system. 我们正在安装新的取暖装置。
- This medicine belongs to heat, can bring about puerpera get angry or cause a baby to feed heat. 此药属热，会导致产妇上火或引起婴儿食热。
- Addition of infra-red heating system? 使用红外线空气幕?
- The heating system in this blockdoesn't work well. 这个街区的供暖系统不太好用。
