valve chamber cover 气门室盖 ; 摇臂
main valve chamber [铁路] 主阀室
piston valve chamber 活塞阀室
air valve chamber 空气阀小室
The valve chamber cover is missing.
阀室盖不见了。
Equipped with stainless steel screen in the valve chamber, it is easy to service and maintenance.
阀腔内设有不锈钢过滤网，维护保养筒单。
A large number of floating impurities in the emulsion, and the valve chamber in the column bottom, left more coal, rock and iron tablets.
乳化液中有大量的漂浮杂质，在立柱缸底和阀腔，留有较多的煤粉、岩粒和铁屑。
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