diff --git a/力学书籍/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)/auto/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)_layout.pdf b/力学书籍/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)/auto/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)_layout.pdf
deleted file mode 100644
index 5e46ffd..0000000
Binary files a/力学书籍/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)/auto/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)_layout.pdf and /dev/null differ
diff --git a/力学书籍/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)/auto/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)_spans.pdf b/力学书籍/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)/auto/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)_spans.pdf
deleted file mode 100644
index f115f72..0000000
Binary files a/力学书籍/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)/auto/Flexible Multibody Dynamics (O. A. Bauchau) (Z-Library)_spans.pdf and /dev/null differ
diff --git a/力学书籍/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)/auto/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)_layout.pdf b/力学书籍/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)/auto/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)_layout.pdf
deleted file mode 100644
index 9895967..0000000
Binary files a/力学书籍/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)/auto/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)_layout.pdf and /dev/null differ
diff --git a/力学书籍/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)/auto/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)_spans.pdf b/力学书籍/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)/auto/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)_spans.pdf
deleted file mode 100644
index 155ad5d..0000000
Binary files a/力学书籍/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)/auto/多体系统动力学（第2版）＝DYNAMICS OF MULTIBODY SYSTEMS(SECOND EDITION) (刘延柱 戈新生 潘振宽) (Z-Library)_spans.pdf and /dev/null differ