div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=tyuteducnkjtyuteducnlocalbc3c2e37fd3a57c7d87ce7d31e695b-2019-11htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: tyuteducnkjtyuteducn__localBC3C2E37FD3A57C7D87CE7D31E695B · 2019 11 5 · Chinese authors such as Journal of China Coal Society Journal of Mining Safety Engineering loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentscombrreader036viewer20220626055fced2d203a0147dc509a83bhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=tyuteducnkjtyuteducnlocalbc3c2e37fd3a57c7d87ce7d31e695b-2019-11htmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: tyuteducnkjtyuteducn__localBC3C2E37FD3A57C7D87CE7D31E695B · 2019 11 5 · Chinese authors such as Journal of China Coal Society Journal of Mining Safety Engineering loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentscombrreader036viewer20220626055fced2d203a0147dc509a83bhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=tyuteducnkjtyuteducnlocalbc3c2e37fd3a57c7d87ce7d31e695b-2019-11htmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: tyuteducnkjtyuteducn__localBC3C2E37FD3A57C7D87CE7D31E695B · 2019 11 5 · Chinese authors such as Journal of China Coal Society Journal of Mining Safety Engineering loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentscombrreader036viewer20220626055fced2d203a0147dc509a83bhtml5thumbnails3jpg width=140 height=200 divdiv