The characteristics of plastic membrance pipes pnducted by Bartlett Company of Austratia are introduced in this paper. Some discussions are made in contrast to the products of our contry and some suggestions about imp...The characteristics of plastic membrance pipes pnducted by Bartlett Company of Austratia are introduced in this paper. Some discussions are made in contrast to the products of our contry and some suggestions about improvement are advanced.展开更多
文摘The characteristics of plastic membrance pipes pnducted by Bartlett Company of Austratia are introduced in this paper. Some discussions are made in contrast to the products of our contry and some suggestions about improvement are advanced.
