method of transposition
... method of three categories 三类法 method of transposition 调换法 method of triads 三选一法 ...
基于40个网页-相关网页
无法调换 irreplaceability
相位变换调制法 phase-shift keying
差动相位变换调制法 differential phase shift keying
·2,447,543篇论文数据，部分数据来源于NoteExpress
燃气管道上安装的配件用法兰连接的居多，在修复法兰接口时却需要停气断管、调换法兰，不仅费用高，且影响正常用气。
Flange is in the majority as the accessory usage on the gas pipeline links. Flange interface repair need cut off a tube, change the flange, not only cost is high, but also influence on common gas.
youdao
应用推荐
模块上移
模块下移
不移动