Ships and marine technology - flanges on castings extra light duty - dn 32 to dn 50 , pn up to 25 , dn 65 to dn 125 , pn up to 10 - principles of design 船舶和海洋技术.超轻型的活动法兰和对焊法兰. dn 32至
Ships and marine technology - loose flanges and welding necks extra light duty - part 1 : loose flanges dn 32 to dn 50 , pn up to 25 , dn 65 to dn 125 , pn up to 10 船舶和海上技术.超轻型的活动法兰和对焊法兰.第1部分
Ships and marine technology - loose flanges and lapped pipe ends extra light duty - part 2 : loose flanges dn 32 to dn 50 , up to pn 25 , dn 65 to dn 125 , up to pn 10 船舶与海上技术.活动法兰和和超轻型管端.第2部分:活
Aerospace series - pipe couplings , loose flanges and seals - seals in fluorocarbon rubber and armature in aluminium alloy - technical specification 航空航天系列.管连接件活动法兰和密封件.氟烃橡胶密封件和铝合金附件.技术规范
Ships and marine technology - loose flanges and welding necks extra light duty - part 2 : welding necks made of cuni10fe1 , 6mn , dn 32 to dn 50 , pn up to 25 , dn 65 to dn 125 , pn up to 10 船舶和海上技术.超轻型的活动法兰和对焊法兰.第2部分
According to my teaching theory study on teaching practice , six modes for chemical bilingual teaching activity are designed : ( 1 ) group - class mutual activity ; ( 2 ) autonomous association for memory ; ( 3 ) experiment - expression mutual activity ; ( 4 ) demonstration reading out activity ; ( 5 ) inquiring information exercises 本人根据理论研究和自己的教学实践，设计了六种化学双语教学活动方式： ( 1 )小组?班级互动法； ( 2 )自主式联想记忆活动法； ( 3 )边实验边表达法； ( 4 )示范性朗读-演讲活动： ( 5 )查询英文资料训练。
