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时间:2020-12-18
《公称直径DN与英寸NPS换算资料讲解.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、精品好文档,推荐学习交流1/8″=DN6公称直径DN与英寸NPS换算,只需要记住如下3条即可1、需要单独记忆的换算DN(mm)NPS(")61/881/4103/8151/2203/42513211/44011/25026521/28032、大于等于DN100的管径与NPS换算:DN=25*NPS;NPS=DN/253、精确换算:1英寸=25.04毫米,但是在阀门、管径换算上并不是按照此比例。对划线部分提问练习(带答案)1.Hisfatherisanengineer.(对划线部分提问)______hisfather’s__
2、_____?2.MrKingisfromAmerica.(对划线部分提问)______isMrKing_______?3.Ihavethreecousins.(对划线部分提问)__________________________?4.TheseareJenny’sCDs.(对划线部分提问)_____________________________?5.Amy’smotherlikesromanticmovies.(对划线部分提问)______________________________?6.Hisfavoritefoo
3、tballplayerisBeckham.(对划线部分提问)_?7.Herbackpackisonthesofa.(对划线部分提问)___________________________?8.Ihaveasonandadaughter.(划线提问)__________children____you_____?9.Lizisateacher.(划线提问)________isateacher?10.Myschoolisbetweenaparkandabank.(划线提问)____________________________
4、________?11.They’dlikesomejuiceandhamburgers.(划线提问)___________________________________?12.Thepotatoesareonedollarakilo.(划线提问)_______________________________________?13.Thebreadisthreedollarsandfiftycentsaloaf.(划线提问)___________________________________________?14.We
5、’dliketwocupsoftea.(划线提问)__________________________________________?15.Thesoapisonlyonedollarabar.(划线提问)________________________________________?仅供学习与交流,如有侵权请联系网站删除谢谢2精品好文档,推荐学习交流1.Wehaveporridge,breadandeggsforbreakfast.(划线提问)_____________________________________
6、____?2.I’dlikeonionsonit.(划线提问)_______________________________________?3.Ineedabaseballbattoplaybaseball.(对划线部分提问)______________________________________________?4.Youcanplayfootballonthefootballfield.(对划线部分提问)______________________________________________?5.Jenny’
7、sfavoritesportisplayingvolleyball.(对划线部分提问)_______________________________________________?6.Wecanrunthe400-meterraceontherunningtrack.(对划线部分提问)__________________________________________________?7.Therearetwopoolsinthesportscenter.(对划线部分提问)________________________
8、____________________________?8.Sandy’sfavoritesportisroller-skating.(对划线部分提问)_____________________________________________________?9.Icanalsoplaytablete
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