A.1巴(bar)=105KPa B.1磅力每平方英寸(psi)=689.476Pa C.1標(biāo)準(zhǔn)準(zhǔn)大氣壓(atm)=1.01Mpa D.1巴(bar)=105Pa
A.遠(yuǎn)程終端設(shè)備(Remote Terminal Unin,RTU) B.主站計(jì)算機(jī) C.波爾通信電源 D.控制盤及相關(guān)的外圍設(shè)備