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- U型通風(fēng)系統U type ventilation system
- J型通風(fēng)系統J-shape ventilation system
- “U”型通風(fēng)方式U-type ventilation
- “J”型通風(fēng)系統"J" type ventilation system
- U型波紋管的優(yōu)化設計系統Optimization design system of U-shape bellow
- J型通風(fēng)J-typed ventilation
- U型U shape
- “Y”型通風(fēng)"Y" ventilation
- U型殼U - shell
- 電動(dòng)型通風(fēng)干濕計motor driven psychrometer
- U型槽U -Shape Groove
- 三進(jìn)兩回偏Y型通風(fēng)方式three-down-two-up and inclined to Y type ventilation
- U型箍U-ferrule
- 公路隧道縱向通風(fēng)系統射流風(fēng)機選型計算Selecting Model And Calculation of Jet Fan In Longitudinal Ventilating System For Vehicular Tunnel
- U型拉槽U cutting
- Y型通風(fēng)沿空留巷支護匹配技術(shù)Supporting Matching Technology of Gob Side Entry Retaining for Y-type Ventilation
- U型擋板U stop prate
- 利用B型通風(fēng)方式治理瓦斯的理論計算與研究Theoretical Calculation and Study of Gas Emission Control by Using Type-B Ventilation System
- U型螺釘U type screw
- 近距離煤層群工作面的偏W型通風(fēng)方式及其應用Bias W-type Ventilation in Short-interval Coal Seam Group Face and Its Application
