Since then, however, analysts have noted that the ARJ21 project has been running behind schedule.

但分析师指出，此后，ARJ21项目的进展落后于计划。

youdao

Since then, however, analysts have noted that the ARJ21 project has been running behind schedule.

但分析师指出，此后，ARJ21项目的进展落后于计划。

youdao