例句與造句

1. Methods for extraction include Cold heavy oil production with sand, steam assisted gravity drainage, Toe-to-Heel Air Injection ( THAI ), and open-pit mining for extremely sandy and oil-rich deposits.
2. Whereas the Athabasca oil sands lie close enough to the surface that the bitumen can be excavated in open-pit mines, the smaller Peace River deposits are too deep, and must be exploited using in situ methods such as steam-assisted gravity drainage and Cold Heavy Oil Production with Sand ( CHOPS ).
3. It's difficult to find cold heavy oil production with sand in a sentence. 用cold heavy oil production with sand造句挺難的