phase in
['freiz in]
分阶段引入, 逐步采用
例句与用法：
The production lines were phased in last year.
这些生产线，是去年逐渐引进的。
The use of lead-free petrol is now being phased in.
无铅汽油的应用现正逐步推广。
词形变化：
形容词: phasic | 动词过去式: phased | 动词过去分词: phased | 动词现在分词: phasing | 动词第三人称单数: phases |
详细释义：
逐步引入
They have decided to phase in the new techniques.
他们已决定逐步引入新技术。