4 sentences

1. 工人们把钢管打入地下。

   gōng​rén men bǎ gāng​guǎn dǎ​rù dì​xià.

   The workers drove the steel pipes into the ground.

   Source: Dong Chinese Dictionary

2. 工人正在把这两根钢管焊在一起。

   gōng​rén zhèng​zài bǎ zhè liǎng gēn gāng​guǎn hàn zài yī​qǐ.

   The worker is welding these two steel pipes together.

   Source: Dong Chinese Dictionary

3. 工人们正在把大量的钢管装上卡车。

   gōng​rén men zhèng​zài bǎ dà​liàng de gāng​guǎn zhuāng​shàng kǎ​chē.

   Workers are loading a large number of steel pipes onto the truck.

   Source: Dong Chinese Dictionary

4. 她正对着镜子练习在钢管上旋转。

   tā zhèng duì​zhe jìng​zi liàn​xí zài gāng​guǎn shàng xuán​zhuǎn.

   She is practicing her spins on a pole in front of the mirror.

   Source: Dong Chinese Dictionary