The study is concentred on the bleachability of triploid clones of Populu tomentosa Carr.explosion pulp which was first exploded at 2.0 MPa,then at 1.0 MPa.是什么意思_The study is concentred on the bleachability of triploid clones of Populu tomentosa Carr.explosion pulp which was first exploded at 2.0 MPa,then at 1.0 MPa.在线翻译_英语_读音_用法_例句