单选题
1分
_______continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitiv...
_______continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track.
参考答案: A
参考解析: 油雾探测器通过管路系统不断抽取曲轴箱空气,并让它通过一个灵敏、准确且透明的测量室。