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slip-type packer
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slip-type packer
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slip-type packer
卡瓦式封隔器
利用卡瓦固定,防止管柱轴向移动,通过下放一定管柱重量或管柱内加液压使胶筒直径变大,封隔油、套环形空间的封隔器。
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ambient medium number density
ambient noise
ambient noise in the sea
ambient radiant power
Ambient Seismic noise
ambient space
ambient temperature
ambient-temperature refrigeration
ambient tensor
ambient water quality criteria
ambiguities in an official document
Ambiguity
ambiguity
ambiguity diagram
ambiguity function
ambiguity index of Chinese Pinyin syllable
ambiguity resolution
ambiguity sensor
ambiguous
ambiguous chain length
ambiguous class
ambiguous class of ideals
ambiguous codon
ambiguous form
ambiguous grammar
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