English translation for "顶封"

closed top
closed-top
over seal

Related Translations:

封:  Ⅰ动词1.(封闭) close; seal 短语和例子查封 seal up; 密封 seal up completely; 大雪封山。 the mountains are covered over [closed up] with heavy snow.2.(封火) bank (a fire) 短语和例子炉子封了吗? have you banked up the fire?

Example Sentences:

	1.	The development and application of the upper isolation workstring 顶封封隔管柱的研制与应用
	2.	Water shutoff agent dsz - a is composed of inorganic particle . its specialities are low cost , easily flow , high strength and long valid period . the agent suits non - selective water shutoff in sand formation . dsz - a not only can plug high water - bearing formation , but also can plug case leakage . dsz - a has been applied on site and gotten good effect . it is a agent which has wide prospect 濮城油田推广应用顶封卡漏套管保护管柱,消除了环套空间水泥环窜漏影响,对漏点上部套管实施了保护,减少了无效注水,增加了有效注水,对应油井地下地质能量恢复后,增油效果明显

Similar Words：

"顶肥" English translation, "顶费" English translation, "顶分" English translation, "顶分泌" English translation, "顶丰" English translation, "顶封头" English translation, "顶峰" English translation, "顶峰，尖顶" English translation, "顶峰带" English translation, "顶峰的" English translation