A.按復(fù)位(RST)鍵—按移位(SHT)鍵B.按設(shè)置(SET)鍵C.按設(shè)置(SET)鍵—按移位(SHT)鍵D.按移位(SHT)鍵
A.1.56B.0.78C.3.12D.3.22
A.0.17%B.0.25%C.0.34%D.0.05%