4 sentences

1. 订单源源不断地涌来。

   dìng​dān yuán​yuán​bù​duàn de yǒng lái.

   Orders are pouring in continuously.

   Source: Dong Chinese Dictionary

2. 发电机组正在源源不断地向外馈电。

   fā​diàn jī​zǔ zhèng​zài yuán​yuán​bù​duàn de xiàng wài kuì diàn.

   The generator sets are continuously feeding power to the grid.

   Source: Dong Chinese Dictionary

3. 大批物资被源源不断地运往战斗前线。

   dà pī wù​zī bèi yuán​yuán​bù​duàn de yùn​wǎng zhàn​dòu qián​xiàn.

   Large quantities of supplies are being continuously transported to the front lines.

   Source: Dong Chinese Dictionary

4. 救援物资被源源不断地送往局势紧张的战区。

   jiù​yuán wù​zī bèi yuán​yuán​bù​duàn de sòng​wǎng jú​shì jǐn​zhāng de zhàn​qū.

   Relief supplies were sent in a steady stream to the tense war zone.

   Source: Dong Chinese Dictionary