释义 |
seals in短语⁵⁵²⁴⁰ 基本例句 na.封入;焊死;🌏密封尚能工作的天数 The general public rarely is afforded the chance to peek behind the curtain, to observe the SEALs in preparation or in action. 普通公众更是难有机会走近它,一探其准备作战或采取行动时的究竟。 yeeyan In the paper, a theoretical analysis is given for the ordinary helium mass spectrometer method used to detect the “ single seal” leakage rate of each two seals in a serial two- seal pneumatic system. 从理论上讨论了用常规氦质谱仪检漏方法测定两密封件串联密封的气路系统各密封件“单密封”泄漏率的问题。 cnki The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine. 本文介绍航空燃气轮机转子叶尖“紧间隙”密封的典型结构型式现状,转子内流系统应用气膜密封的有关研究进展。 dictall |