Language: Chinese
Published by Beijing Institute of Technology Press
ISBN 10: 7568282562 ISBN 13: 9787568282567
Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback. Pub Date: 2020-04-01 Pages: 93 Language: Chinese Publisher: Beijing Institute of Technology Press Natural rubber occupies an extremely important position in the production and life of modern society. and its demand is increasing day by day.?For a long time. most of the rubber fields in my country have suffered from tough rubber tapping environments. high work intensity. low production efficiency. high labor costs. and poor health of rubber workers. The answer lies in the developmen.