The reliability of numerical simulation was proved by experiment, and the relation between roll-pressing force and corrugation depth was obtained as guidance for secondary machining of grooved tube.
通过试验验证了用有限元法进行螺旋槽管材滚压成型过程模拟的可靠性，并得到了滚压力与槽深之间的对应关系，为螺旋槽管的二次加工提供了必要的实际指导依据。
Generally speaking, sheet pile is rolled by grooved rolls on the 2 Hi mills and many grooves are necessary to roll it.
一般而言，钢板桩由带孔型轧辊的二辊轧机轧制而成，而且必须多孔型轧制。
Generally speaking, sheet pile is rolled by grooved rolls on the 2 Hi mills and many grooves are necessary to roll it.
一般而言，钢板桩由带孔型轧辊的二辊轧机轧制而成，而且必须多孔型轧制。
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