轮机英语关联题20篇.doc

文档介绍：41关联题(关联题题干下有4个小题,每小题4个选项)Withmanysmallpackageboilers,ontrolsequenceusuallyensuresthattheboilerfireisinitiallyignitedfromadieseloilsupply,,tofacilitatesubsequentstartingfromcold,(small),,,theflameshouldappearincandescent(白热的)withanorangeshadeattheflametip,,badlyshapedandseparatesfromtheprimaryswirler,-,-,--(关联题题干下有4个小题,每小题4个选项)Themainstartingvalve(automaticvalve)isoperatedbyapneuma