determination of leakage rate and specific resistance for mine air duct
Related Translations:
漏风: 1.(走气) air leak; air leakage; not airtight 短语和例子窗子漏风。 there are some leaks in the window.2.(由于牙齿脱落而说话时拢不住气) speak indistinctly through having one or more front teeth missing3.(走漏风声)leak ou
