Methods Seven eyes of 7 patients with ocular penetrating injury complicated with endophthalmitis underwent vitrectomy combined with silicone oil injection.
方法眼球穿孔伤眼内睫毛异物所致合并眼内炎7例（7眼）接受玻璃体切除眼内异物摘出联合硅油填充手术。
2
It prevents dirt, soils, dark liquid, and oil stains from penetrating into the surface.
可以防止污垢，土壤，深色液体，和油渍渗透到石材表面。
3
The purpose of perforation is penetrating the casing tube, cement sheath and a certain depth of the formation and forming unhindered channels for oil and gas flowing into the well casing.