在贷记往来账状态查询中，交易状态为已拒绝的，需要做往账撤销。
在项目生命周期中，（）阶段投入的人力及资源最多。 ["识别项目需求","提出解决方案","项目执行","项目结束"]
（）continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track. ["The oil mist detectors","The smoke detectors","An oily water monitor","Oil discharge monitoring and controlling system"]
创新是实现中国社会生产力跨越式发展的必由之路，也是增强我国自身竞争力、提高我国国际地位的必由之路。当今世界各国综合国力竞争的核心是（）和（）。 ["管理创新","科技创新","知识创新","改革创新"]
The oil mist detectors continuously（） the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track. ["detract","extract","pump up","pump dow"]
暂态感应电流对人体是否有影响？
