LDabbr.检漏器(=Leak Detector)abbr.负载(=load)abbr.当地交付(=Local Delivery)ldingn.电屏蔽；脚手架LD Tel=Long Distance Telephone 长途电话ldg.abbr.=landingLD slag转炉渣ldippen飞来峰LD body利-杜体LD locus淋巴细胞限定的基因座, LD基因座ldraminaγ-氨羟酪酸, 4-氨-3-羟丁酸[抗惊厥药, 降压药]LDC line本地设备控制器连接线ld steel氧气顶吹转炉钢