A.船長(zhǎng)室無(wú)應(yīng)答 B.機(jī)艙延時(shí)無(wú)人應(yīng)答 C.駕駛臺(tái)無(wú)應(yīng)答 D.輪機(jī)長(zhǎng)室無(wú)應(yīng)答
A.連續(xù) B.重復(fù) C.延伸 D.分組
A.聲應(yīng)答消音,光應(yīng)答消光 B.光應(yīng)答改變燈光狀態(tài),與聲應(yīng)答無(wú)關(guān) C.光應(yīng)答使閃光變平光,與故障狀態(tài)無(wú)關(guān) D.聲應(yīng)答后光應(yīng)答才起作用,兩者有連鎖關(guān)系