短语词组短語slide gate valve 插板閥;閥門slide adjusting valve 滑動調頭閥;滑動調節閥slide -valve face 滑閥麪slide sample valve 進樣滑閥balanced slide type valve 平衡滑閥parallel slide gate valve 平行滑動牐閥slide e valve 滑閥;套閥 返回 slide valve