?尺寸,因次 dimension
?因次分析 dimensional analysis
?因次均等性 dimensional homogeneity
?尺寸检查 dimensional inspection
?无因次 dimensionless
?调光器 dimmer
?德国国家工业标准 DIN (= Deutsche Industrie Normen, Germany)
?小划艇 dingey (or dinghy, or dingy)
?餐室 dining room
?餐厅 dining saloon
?两极管,二极管 diode
?折射透镜 dioptric lens
?因次分析 dimensional analysis
?因次均等性 dimensional homogeneity
?尺寸检查 dimensional inspection
?无因次 dimensionless
?调光器 dimmer
?德国国家工业标准 DIN (= Deutsche Industrie Normen, Germany)
?小划艇 dingey (or dinghy, or dingy)
?餐室 dining room
?餐厅 dining saloon
?两极管,二极管 diode
?折射透镜 dioptric lens
?热浸硬焊 dip brazing
?浸染绳索 dip rope
?半波天线,双极天线 dipole antenna
?杓 dipper
?戽斗挖泥船 dipper dredger
?[船身]起伏 dipping and heaving
?热浸法 dipping process
?直流电 direct (or continuous) current (D.C.)
?直动引擎 direct acting engine
?直联引擎 direct acting engine
?直接水吸口 direct bilge suction
?直接驱动 direct drive
?直接驱动引擎 direct drive engine
?直接膨胀系统 direct expansion system
?直接火管锅炉 direct fire tube boiler
?直接喷射系统 direct injection system
?直接数值控制 direct numerical control (DNC)
?直接逆转 direct reversing
?直接反转引擎 direct reversing engine
?直接逆转装置 direct reversing gear
?直接剪切试验 direct shear test
?指挥塔 direct tower
?测向仪,方[向]探[测]仪 direction detector (or finder)
?层裂方向,剥离方向 direction of delaminate
?淀积方向(焊接) direction of deposition
?定向天线 directional antenna (or directive antenna)
?方向不稳定性 directional instability
?方向频谱 directional spectrum
?方向稳定性 directional stability
?导向体,指挥仪 director