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				           		为避免结晶沉积堵塞,对固体亚硫酸铵生产装置提出集中布置设备的原则。
						        					            	 The principle of compact arrangement of the equipment is proposed to avoid build-up of crystal.
								    										 
								    				            	 youdao 
- 
				           		为避免结晶沉积堵塞,对固体亚硫酸铵生产装置提出集中布置设备的原则。
						        					            	 The principle of compact arrangement of the equipment is proposed to avoid build-up of crystal.
								    										 
								    				            	 youdao