-
本实用新型劳动效率高、劳动强度低。
The utility model has high labor efficiency and low labor intensity.
youdao
-
本发明劳动效率高、劳动强度低。
The invention has high labor efficiency and low labor intensity.
youdao
-
本发明劳动效率高、劳动强度低。
The invention has high labor efficiency and low labor intensity.
youdao