Of course, the movement of the two upper rollers toward the bottom is also a solution. The two cannot be taken into account.. Because the front hole of the high-pressure finished rail is adjusted, the bottom is small, which is an inevitable phenomenon. Defects that occur alone are easy to adjust, and adjusting one kind of defect affects another type of defect. If you can solve the rail height in 4 or 5 holes, you can only choose one defect to adjust the hole before the finished product and the finished product. Therefore, when these two kinds of defects occur, one can be eliminated first and then the other, depending on where the defects occur.

There are many conjugate defects in heavy rails, and there are often the following: rail height-small bottom. If the inclined wall is not leaned, the rolling is unstable, and the rail waist is not resolved. Track height-unclear trademark (waist thin track height can be adjusted by using 3 and 4 hole reductions, and waist thin should be solved by placing 6 holes.There are many defects in heavy rails. This achieves two types of defects and choose different holes to adjust

Secondly, after the sale, try to choose to open less or bill every other month, but this behavior itself has speculation and is not applicable. However, considering that steel mills and traders are reducing the sales rhythm and reducing the market's available resources, some demand conditions may be enlarged before the end of this month. At this time, the inventory will be increased and the rhythm of accumulation will be increased, but at the same time, some market demand will be overdrawn. Under the premise of constant production rhythm, under the premise of reduced sales and unchanged inputs, theoretically increasing raw material inventory in the short term can achieve tax reductions. It is possible to choose to sell the goods until April. 

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