flues造句
Heat was obtained from decomposing manures and hot air
flues.
靠肥料分解和烟道为植物提供热量.
Remove sediment from heaters,
flues and motors before using them.
在使用暖气, 烟道,和马达之前,应清理沉积物.
Cut openings in sheets for outlets, vent pipes,
flues, etc. to the minimum size necessary.
削减开口,为产品的店铺时, 排气管, 烟道等,以最小面积必要的.