油管密封座 的英文怎麼說
中文拼音 [yóuguǎnmìfēngzuò]
油管密封座
英文
tubing seal seat-
The seals of tubing spool and tubing hanger are classified as two types : vertical rubber seal and tapper metal seal. users can select one of them upon their requirement
油管四通和油管懸掛器分兩種密封結構形式,一種是直座式橡膠密封,一種是錐座式金屬硬密封,可根據不同需要確定其選用形式。
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