improvement in railway technology
常見(jiàn)例句
- In the field of railway construction in China, innovation and improvement in technology are always the top of the priorities.
在我國(guó)鉄路建設(shè)中，技術(shù)創(chuàng)新、技術(shù)改造的工作歷來(lái)都是國(guó)家鉄路建設(shè)的重點(diǎn)。 返回 improvement in railway technology