div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: hongbaoshu - yd-hdcom · 1 2 31 JBT 5000 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80 src=https:reader035fdocumentsnetreader035viewer20220707215ee2e2e3ad6a402d666d1862html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: hongbaoshu - yd-hdcom · 1 2 31 JBT 5000 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80 src=https:reader035fdocumentsnetreader035viewer20220707215ee2e2e3ad6a402d666d1862html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: hongbaoshu - yd-hdcom · 1 2 31 JBT 5000 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80 src=https:reader035fdocumentsnetreader035viewer20220707215ee2e2e3ad6a402d666d1862html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: hongbaoshu - yd-hdcom · 1 2 31 JBT 5000 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80 src=https:reader035fdocumentsnetreader035viewer20220707215ee2e2e3ad6a402d666d1862html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: hongbaoshu - yd-hdcom · 1 2 31 JBT 5000 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80...