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				           		目的了解平板探测器心血管造影机在冠脉造影时患者吸收剂量。
						        					            	 Objective to detect the absorbed doses of patients in coronary artery angiography by flat-pannel detector.
								    										 
								    				            	 youdao 
- 
				           		目的了解平板探测器心血管造影机在冠脉造影时患者吸收剂量。
						        					            	 Objective to detect the absorbed doses of patients in coronary artery angiography by flat-pannel detector.
								    										 
								    				            	 youdao