注：考虑到将要开的花蕾个体横、纵径差异较大，第七级花蕾未经测量。
Note: The dada of the last stage of bud developing were not given in view of the biggish difference among individual buds.
介绍了韶钢四轧厂水平七连轧机组机架横移、锁紧液压系统的工作原理；
The hydraulic system of stand transversing and locked oil jar are introduced, which is attached to the seven-stand continuous mill in the Shaoguan Iron & Steel Group Co.
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