LDabbr.检漏器(=Leak Detector)abbr.负载(=load)abbr.当地交付(=Local Delivery)lded form折叠型LDPE Plant低密度聚乙烯装置ldeoplasty[医] 意想凝注, 观念凝注LDPC codesLDPC码LD p umped激光二极管抽运LD-laser半导体激光ld process顶吹氧转炉法,氧气顶吹转炉炼钢法LD isolator激光隔离器ldual phase双相位LD spectrum致死剂量谱表