BTD[医][=benzothiadiozine]苯并噻二嗪BTDBBermuda Trade Development Board 百慕大贸易开发委员会btdcbefore top dead center 上死点前btdlbasic-transient diode logic 基本瞬态二极管逻辑（电路）dbtddebited 记入借方tabtd[医][=combined typhoid-paratyphoid a and b(vaccine)，tetanus(toxoid)and diphtheria(toxoid)]混合伤寒、副伤寒甲和乙（菌苗）、破伤风类毒素和白喉类毒素混合制剂TABTD伤寒、副伤寒甲乙菌苗、破伤风类毒素和白喉类毒素混合制剂btdbomb testing device 炸弹试验装置BTDLback-transientdiodel..