step-by-step progress的用法和樣例：
例句
- Progressive throttling of flow shall be accomplished by a characterized profile quad seal retainer washer.
流量的漸進式節流應該通過截面為方形的密封固定墊圈來實現。 - We cannot afford not to be interested in the progress of its uncharted, incremental economic and political reforms, and we must want them to succeed.
我們承擔不起忽略中國不明朗的漸進式政治經濟改革的進步。
