8个数复式2中2多少组简介：The accuracy of wooden scales is inherently low. If it is a large scale weighing 100 kilograms, a slight deviation may be a difference of three to five kilograms, and the proportion of gunpowder will be changed immediately.
The accuracy of wooden scales is inherently low. If it is a large scale weighing 100 kilograms, a slight deviation may be a difference of three to five kilograms, and the proportion of gunpowder will be changed immediately.
