低热值dī rè zhí
lower calorific value; lower calorific power; low heating value
原声例句
读者文摘选编
Kurt stepped onto the corn-filled hopper to lower the truck's gate and stem the flow.
库尔特走上装满玉米的装料斗,放下卡车车门,堵住那些流动的玉米粒。
幽谷百合(上)
He left the house when I did, and took me to the lower gate without speaking; then he accompanied me to Frapesle, seeming not to know what he was doing.