Warning: file_put_contents(): Only 0 of 4955 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 spring-loaded plunger例句_spring-loaded plunger英汉例句_spring-loaded plunger双解例句_淳朴汉英词典
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life. 密封：自動調節，彈簧底座，雙層V-密封維持高壓密封和延長密封與柱塞壽命。