surface packer造句

例句与造句

1. As Raban sums up the system : " You'd need to buy a Campbell Sub-Surface Packer to compact the soil at the root-level of your crops.
2. Common solutions include downhole pumps, gas lift, or surface packer systems with frac ports or port collars in an all in one system have cut completion costs and improved production, especially in the case of horizontal wells.
3. It's difficult to find surface packer in a sentence. 用surface packer造句挺难的