cold exchange frame冷换框架
cold frame culture冷床栽培
improved cold frame改良阳畦
cold frame forced sprouting冷床催芽
cold frame bender肋骨冷弯机
CNC cold frame bending型材数控冷弯
cold frame bending machine肋骨冷弯机
seeding in cold frame冷床播种
Evaporator frosting can affect the capability of cold frame. How to defrost effectively is a serious problem.
蒸发器结霜影响了冷库的性能,如何有效地融霜成了一个亟需解决的问题。
参考来源 - 冷库液体冷媒融霜的理论和实验研究N-COUNT（可数名词） A cold frame is a wooden frame with a glass top in which you grow small plants to protect them from cold weather. 温床; 幼苗防冻用的苗床