ultra large crude oil carrier

例句：

1. 1.The ultra-large crude oil carriers are crucial for the transportation of crude oil.
   超大型原油运输船对于原油的运输至关重要。
2. 2. The new ultra-large crude oil carrier has been launched, and its performance is expected to be excellent.
   新型超大型原油运输船已投入运营，其性能预计将非常出色。
3. 3. The ultra-large crude oil carriers are facing increasing competition from other countries' vessels.
   超大型原油运输船正面临着来自其他国家船只日益增加的竞争压力。