What is the advantage of drum pulper? A: efficiently scattered fibers B: dregs is also broken C: no break of dregs D: dregs are removed

What is the role of Plate screen after drum pulper? A: remove fine dregs B: further defibering C: remove coarse dregs D: concentrating

What are the common characteristics of five zang viscera? （ ） A.transforming and transporting food and drink A: transporting dregs B: transforming and transporting water fluid C: generating and storing essence