相转化机制
phase transformation mechanisms
心理转化机制
psychological mechanism of transformation
psychological transformation system
α-Al细化机制
alpha aluminum refining mechanism
林纸一体化机制
the system of integration of forestry and paper industry
孔隙水压力变化机制
mechanism of pore water pressure changes
净化机制
purification mechanisms
Removal mechanism
Purification mechanism
mechanism of purification