dopa：[生化]多巴,二羥基苯丙氨酸(亦作DOPA)

failure warning relay 故障警告繼電器 | dopa [生化]多巴,二羥基苯丙氨酸(亦作DOPA) | sync stretch circuit 同步脈沖擴(kuò)展電路

DOR：abbr. digital output relay option; 數(shù)字輸出中繼選擇

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double-bank switch：雙屬排開關(guān)

"double-balanced relay ","雙平衡式繼電器" | "double-bank switch ","雙屬排開關(guān)" | "double-beam oscilloscope ","雙線示波器"

drainpipe：排水管

scrap tallow 油渣 肥肉油 | drainpipe 排水管 | wireless relay broadcasting 無線電轉(zhuǎn)播

MDRAM-MultiBank DRAM：多存儲體動(dòng)態(tài)隨機(jī)存取存儲器

MDR Mission Data Reduction 任務(wù)數(shù)據(jù)縮減 | MDRAM Multibank DRAM 多存儲體動(dòng)態(tài)隨機(jī)存取存儲器 | MDRC Manual Data Relay Center 人工數(shù)據(jù)接力中心

directional duality principle：定向的對偶性原理

directional drilling 定向鉆進(jìn),定向鉆孔 | directional duality principle 定向的對偶性原理 | directional earth-leakage relay 對地漏電方向繼電器

selenium-xerographic duplicator：硒靜電復(fù)印機(jī)

selenium-cell relay 硒光電池繼電器 | selenium-xerographic duplicator 硒靜電復(fù)印機(jī) | selenographic globe 月球儀

earth plate resistance：接地板抵抗

earth-fault-phase selector relay 地絡(luò)相選別継電器 | earth-plate resistance 接地板抵抗 | earthed antenna 接地空中線

ebonite driver：膠柄起子

"ebonite clad cell ","膠木包覆的電池" | "ebonite driver ","膠柄起子" | "ebonite reed relay ","膠木簧片繼電器"

AC electric car：交流電気車

AC earth relay 交流接地繼電器 | AC electric car 交流電気車 | AC electric rolling stock 交流電気車