3 miles of paper can be produced on this machine in 1 hour, equivalent to 85,700 sheets of A4This century old, steam driven Fourdrinier papermaking machine is installed on the site of the world's ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果