H管(共轭管)H pipe Fitting 用于连接通气立管和排水立管,形状如H且上下端口带承插口的管件。
h管理理论 theory of human management ; human management theory
清洁管理人H Osouji Sentai Clean Keeper ; Osouji Sentai Clean Keeper H
h食管ph监测 hours esophageal ph monitoring
双管H桥整流电路 2-switch H-bridge rectifier
H形鳍片管束 H-type finned tube banks
H平面喇叭管 H-plane horn
霓虹H型灯管机 neon H equipment
H型透气管 H-permeability pipe
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