密封采空区的密封孔道 [矿业] plughole
热采封隔器 thermal recovery packer
可收回采油封隔器 retrievable production packer
采油封隔器 [油气] packer ; production packer
承托式采油封隔器 retainer production packer
永久型采油封隔器 permanent production packer
采用水封式 Water Sealing Type
采用密封镜 sealed-mirror
长孔水封爆破采煤法 [矿业] long-hole infusion coal mining method
采止水封圈 Entrance-Packing
它的研制与成功应用，克服了原来多种热采封隔器的缺点，如操作困难，不座封和不解封的几率较高等。
This kind of packer overcomes many disadvantages of the previous ones, such as difficulty in operation, and high possibility of not setting and not releasing.
首先最重要的一点：如果煤气管道内着火，应立即封闭所有入孔、放散管、采封管，并向管道内通大量蒸汽灭火。
First of all the most important point: if the gas pipeline inner fire, immediately closed all into the hole, radiation tube and sealing pipe, and in general to pipe of steam to extinguish fire.
你们的喝采封演说者有影响。
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