场变 meaning in English
field changes
Examples
- A stripping uint with the cross - flow fan was developed , aimed to reduce the grain losses at the rear of the stripping drum reduce the blocking to the air outlet sifter and diffuse dust . . this dissertation gives overall scheme of the rig and had mad experimental study
针对非气吸式割前摘脱装置在收获作物时，出风口筛面发生堵塞使装置内流场变差，导致装置的落粒损失率过大；以及出风口处烟尘四散，影响了驾驶员的视野和危害工作人员的身心健康等生产中存在的问题。