Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/e3130c7052f6413dd713844f51aba2cd.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 spring-loaded plunger是什么意思，spring-loaded plunger的翻译，spring-loaded plunger音标、读音、用法和例句_绍翊字体网有道词典
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life. 密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。