LDabbr.检漏器(=Leak Detector)abbr.负载(=load)abbr.当地交付(=Local Delivery)ldesia palycarpa Maxim野生山桐子Ldn't get rid of him.圣经用语LD-pumped solid lasers二极管抽运固体激光器LDRI Low Data Rate Input低数据速率输入Ld length of extrnder die压出机口型长度LDB Large Data Base System局部数据库管理系统逻辑设计系统ldentification of pathogen病原鉴定LDN Low speed Data Network低速数据网LDC Low speed Data Channel低速数据通道LDPU Latent DeFect Per Unit单位产品潜在缺陷