phase in造句

" A new phase in the history of Russia begins "
“ 俄国历史的新阶段开始了 ”

They have decided to phase in the new techniques.
他们已决定逐步引入新技术.

The molding filling process is a very important phase in RTM.
树脂充模是RTM工艺成型过程中的重要一环.

• #phase in