2 sentences for 穿孔 (chuān​kǒng)

1. 医生诊断出他患有胃穿孔。

   yī​shēng zhěn​duàn chū tā huàn​yǒu wèi chuān​kǒng.

   The doctor diagnosed him with a perforated stomach.

   Source: Dong Chinese Dictionary

2. 这台机器可以自动在纸带上穿孔。

   zhè tái jī​qì kě​yǐ zì​dòng zài zhǐ​dài shàng chuān​kǒng.

   This machine can automatically punch holes in the paper tape.

   Source: Dong Chinese Dictionary