洁净房应设置单独的物料入口，物料传递路线应最短，物料进入洁净区之前必须

洁净房应设置单独的物料入口，物料传递路线应最短，物料进入洁净区之前必须进
行清洁处理。

Results (English) 1:

Clean room materials should set up a separate entrance, material delivery routes should be the shortest, items required before entering a clean areaLine cleaning.

Results (English) 2:

Clean room should set up a separate material inlet, the material should be the shortest delivery route, you must enter the material before entering the clean area
for cleaning process.

Results (English) 3:

Clean room should be set up separate material entrance, the material delivery route should be the shortest, the material into the clean area before must enter into the clean processing.