yang yong wang zhi heng (2 Ergebnisse)

paperback. Zustand: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2013-03-01 Pages: 440 Language: Chinese Publisher: Science Press large nickel mining technology filling method works Series: continuous mining of nickel ore large ground pressure control technology comprehensive introduction Jinchuan Te large deep high Stress deposits buried a large area of ??continuous mining -pillar supporting the theory and key technology . which relates to mining engineering geology and rock mechanics research . mining rock mass classification and par.Four Satisfaction guaranteed,or money back.

Hardcover. Zustand: New. Language:Chinese.HardCover. Pub Date: 2017-09-01 Pages: 1223 Publisher: Shanghai science and technology publishing house This book adopts the new classification system. could be divided into cycad subclass gymnosperms. gingko subclass. buy hemp vines subclass and conifers subclass.Integration of new international research dynamic. introduced the phylogeny of gymnosperm families and genera research history and status quo;For the first time systematically compiled a global 12 families. 85 gener.