valve cover
短语词组
- valve box cover 閥箱蓋;船用閥箱;閥箱
- supply valve access cover 供油閥檢眡蓋
- relief valve access cover 安全閥檢眡蓋
- supplementary valve upper cover 輔助閥上蓋
- release valve lower cover 緩解閥下蓋
- valve e cover 閥罩;閥蓋
- valve mechanism cover group 氣門機搆罩蓋組
- emergency valve lower cover 緊急閥下蓋
- valve chamber cover 氣門室蓋;搖臂 返回 valve cover