建築設備用語集

D

項目	英語
D1規格	D1 code
DA変換器	DA converter
dB	decibel
DBS	direct broadcasting satellite
DDC	direct digital control
DDX	digital data exchange
DfE	Design for Environment
DGR	directional ground fault relay
DHC	district heating and cooling
DO	dissolved oxygen
DOP	di-octyl-phtalate
DOP法効率	DOP test efficiecy
DPBX	digital private branch exchange
DPD法	DPD chlorimetric method
dpi	dot per inch
DRAM	Dynamic RAM
DS	disconnecting switch
DVD	digital video disk、digital versatile disc
DVがいし	insulator for DV wire
DV電線	PVC insulated service drop wire
DWVシステム	drainage waste and vent system
DXコイル	direct expansion coil
DX方式	direct expansion system
Dスリップ	D slip
D火災	c1ass D fire
D種接地工事	special class D grounding work（100 ohms and below）
D動作	differential action