BLDabbr.bleeding 出血 bright line defect 亮线缺陷 beam-lead device 梁式引线器件 benign liver disease 良性肝疾病 形近词：bld 双语例句 1Working principle and system function of BLD type boiler leakage monitor system on line， and its effectiveness applied to fossil-fired power plant were discussed.阐述了BLD型锅炉泄漏在线监测系统的工作原理、系统功能，以及在火力发电厂中的应用效果。