楔形皮带偏移的技术要求是 The technical requirements for wedge belt migration are as follows A. 新楔形带偏移的技术要求 Technical Requirements for New Wedge Belt Migration5.5~6.6mm B. 旧楔形带偏移的技术要求 Technical Requirements for Old Wedge Belt Migration7.7~8.8mm C. 旧楔形带张紧度的要求 Tension Requirements for Old Wedge Belts392 ~ 588 N D. 新楔形带张紧度的要求 Requirements for Tension of New Wedge Belt637 ~ 735 N