To set this positive spiral in motion, you need to identify and eliminate the foods that cause acid elevation and consume the foods that increase enzyme production.
要让这个积极的状况运转，你需要识别和除去能够增加酸的食物，吸收能增加酶的食物。
3
During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connection weld process.