通風(fēng)機(jī)空氣動(dòng)力性能試驗(yàn)方法 Test methods of aerodynamic performance for fans

井用潛水泵技術(shù)條件 Specification for submersible pumps for deep well

風(fēng)機(jī)和羅茨鼓風(fēng)機(jī)噪聲測(cè)量方法 Methods of noise measurement for fans, blowers compressors and Roots blowers

真空技術(shù)術(shù)語(yǔ) Terminology for vacuum technology

真空技術(shù)系統(tǒng)圖用圖形符號(hào) Vacuum technology--Graphical symbols

水泵流量的測(cè)定方法 Methods for measurement of capacity of pump

煉廠(chǎng)、化工及石油化工流程用離心泵通用技術(shù)條件 Centrifugal pumps for refinery, chemical and petrochemical processes--General technical specifications