常見例句雙語例句Depending on the situation of the shaft sealing with mechanical seal and soft packing seal two structures.軸封根據(jù)情況有機(jī)械密封和軟填料密封兩種結(jié)構(gòu)。www.b-yd.comProved by practice, the floodgate valve packing seal after transforming can not merely well solve the sealed seepage problem , and has produced very great security and economic benefits.經(jīng)實(shí)踐證明,改造后的閘閥填料密封件不僅能夠很好地解決密封滲漏問題,而且產(chǎn)生了很大的安全和經(jīng)濟(jì)效益。In this paper, the traditional packing seal is analyzed and studied. A kind of new packing seal structure is developed with good practical application effectiveness, in industrial production.通過對(duì)傳統(tǒng)填料密封的分析研究,論證了雙端面填料密封的科學(xué)性,開發(fā)了一種新型填料密封結(jié)構(gòu),并在工業(yè)生產(chǎn)應(yīng)用中取得了實(shí)用效果。 返回 packing seal