seal valve

常見例句

This is connected via a sealing valve to the larger, more powerful lower chamber, or ventricle.
通過密封閥與更大的，更強的位于下面的腔室——心室——相連。
The upper chamber on each side is called the atrium. This is connected via a sealing valve to the larger, more powerful lower chamber, or ventricle.
兩側(cè)的上腔室被稱為心房，并通過一個密封瓣膜連接到更大更有力的下腔室（或稱為心室）。
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According to this problem, casing oil stolen prevention sealing valve was developed, matching with down-hole oil-gas separator and gas lift valve lift technology.
針對這一難題，研制了套管防盜油密封閥，并配套應(yīng)用了井下油氣分離器與氣舉閥助流舉升工藝技術(shù)。