英语词汇“bottom-hole packer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bottom-hole packer
释义	bottom-hole packer bottom-hole packer [′bäd·əm ‚hōl ‚pak·ər] (petroleum engineering) An anchored-in-place seal used to provide liquid-proof packing in the annular space between the outside of the oil-producing tubing and the inside of the drill casing.
随便看	registers you for registers you in registers you on registers you with register tape network register tapes unlimited inc. register thermometer register tolken gebarentaal register ton register tonnage register tons register to register instruction register transfer language register transfer level register transfer list register transfer logic register transfer notation register update unit register us as register us for register us in register us on register us with register value queue register variable

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