... ▽ 平面图，plan 前期改造Preparatory works ▽?屋顶改造前，Before the construction /?72小时闭水试验，72H Waterproof Test ...
双语例句
1
Because of the netizen's a, you will spend so much cabbage and commit so many preparatoryworks and be worth?
就因为网民的一个帖，你们就要花这么多钱，做这么多准备工作，值吗？
2
During the eight months employed in the excavation the preparatoryworks of the casting had simultaneously been carried on with extreme rapidity.
在掘井的这八个月间，铸造的准备工作也在火速地进行。
3
In February 2011 Beijing Changan s high-end sedan sales department was officially established all preparatoryworks for launching of high-end sedan then has been started.