常見例句雙語例句The necessity of installing the residual current fire alarm system was analyzed.分析了設(shè)置賸餘電流火災(zāi)報(bào)警系統(tǒng)的必要性。Ground fault circuit interrupters (GFCI's) or residual current devices (RCD's) are required on receptacles that are located in wet locations or outdoors.在溼潤(rùn)的地方或戶外作業(yè)時(shí),插座上必須要有接地故障斷路器(GFCI) 或賸餘電流裝置(RCD)。Aiming at the installation necessity of residual current fire alarm control system in building, the residual current fire alarm control system based on CAN bus was designed.針對(duì)在建築內(nèi)安裝賸餘電流火災(zāi)報(bào)警控制系統(tǒng)的必要性,設(shè)計(jì)了基於CAN縂線的賸餘電流火災(zāi)報(bào)警控制系統(tǒng)。權(quán)威例句What confidence can the United States have that it can effectively verify the current and residual Soviet reductions base?CENTERFORSECURITYPOLICY: Summit Watch: Tough Questions For President Bush 返回 residual current