div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documenthongbaoshu-yd-hd-1-2-31-jbt-5000-8a-the-heavy-mechanical-general-techniqueshtmlpage=1 data-page=1 class=trans-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220707215ee2e2e3ad6a402d666d1862html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documenthongbaoshu-yd-hd-1-2-31-jbt-5000-8a-the-heavy-mechanical-general-techniqueshtmlpage=2 data-page=2 class=trans-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220707215ee2e2e3ad6a402d666d1862html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documenthongbaoshu-yd-hd-1-2-31-jbt-5000-8a-the-heavy-mechanical-general-techniqueshtmlpage=3 data-page=3 class=trans-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220707215ee2e2e3ad6a402d666d1862html5thumbnails3jpg...