valve cover

基本解釋

Has happened in two parts: First, a hole on valve cover; and one on rod and valve cover thread root junction.
發(fā)生部位有兩處：一是上閥罩出油孔處；一是拉桿與上閥罩連接處螺紋根部。
Flap valve cover seals are required when there is carbide reactor welding, sealing surface with thread sealing, to ensure the reliability of sealing and prevents scarring.
閥瓣密封根據(jù)需要時封面均堆焊接有硬質合金，密封面采用線密封，保證密封的可靠性，并可防止結疤。
As a scale cover on the water regulating valve cover is marked with scales, by matching with a standard rod, the regulated position of the water regulating valve cover at each time can be known.
調水閥蓋上的刻度蓋標有刻度，配合標準桿，就可以知道每次調水閥蓋所調的位置。
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