常見例句雙語例句Flange structure, double sealing rubber ring, so anti-corrosion, waterproof performance.法蘭式結(jié)構(gòu)，雙層密封膠圈，故防腐、防水性能好。By using this model, the aging properties of "O"type rubber sealing ring at different time was calculated and compared with the experiment results.運用該模型計算了“O”型橡膠密封圈在不同時間下的老化性能，并與實驗結(jié)果進行了比較。The experiment shows that the variable elastic rubber sealing ring can improve the sealing effect for boreholes and is an ideal rubber sealing ring.結(jié)果表明，可變形彈性密封圈有利于提高鉆孔的密封性，是一種較為理想的密封膠圈。 返回 sealing rubber ring