A: The jujube tree results mostly in the outer and upper parts of the canopy. The result branches (secondary branches) and the bottom branches in the pods tend to have early flowering results. Due to the apical dominance, these jujube fruits easily fall off. Summer tube must be removed. During the summer cut, because there are jujube hangings and leaves on the tree, it is easy to see where the branches are too dense and easy to trim; until the winter leaves fall, how to see the branches will not be crowded. Branches are not updated, and the crown is not opened: the fruiting date of the branch is from the 2nd to the 5th year, and the branches will gradually age after more than 5 years. The jujube stocks are full of convex, and the jujube heads are easy to sprout. Each jujube stock has the most Can draw 5 to 7 jujube hanging, and the date of the small fruit of the head date is poor. Due to the large amount of jujube hanging, the nutrient contention was fierce, and the nutritional deficiency of jujube fruit resulted in serious physiological fruit drop. Therefore, there is no yield without a crown, and there is no guarantee that the branches and branches will not yield high yields and quality.
Cylindrical Measuring Instrument
A measuring instrument for quantitatively evaluating the cylindricity of a cylinder by measuring the actual contour of the cylinder using the precise rotation centerline as the reference standard and the precise linear motion guide rail as the reference standard. It can be used to measure cylindrical shape errors (roundness, cylindricity, straightness, and flatness), position errors (coaxiality and verticality), etc.
The cylindricity measuring instrument is mainly used to measure the roundness, cylindricity, straightness, concentricity, coaxiality, flatness, parallelism, perpendicularity, surface waviness, discontinuous surface, etc. of various regular and irregular circular workpieces. It can also perform spectrum analysis, wave height analysis, eccentricity, shaft bending analysis, and runout analysis on workpieces.
This device has excellent cost-effectiveness, full measurement capability, and is easy to learn and use.
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