风: wind机: machine; engine总: assemble; gather; put togeth ...压: press; push down; hold down; ...头: 5点就得动身 have to start before ...风机总压力: fan total pressure总压头: total dynamic head; total head出口总压头: t.d.h规定总压头: specified total head总压头测定: total-head exploration总压头管: total head tube; total-head tube总压头喷嘴: total-head orifice总压头损失: loss of total head总压头下降: drop of total head总压头效率: total head efficiency; total head eficiency鼓风机总成: blower assy总压头测定仪: facing gauge; facinggauge矿井通风总压头: mine total head总压头横身分布: total-head traverse扇风机静压头: fan static head鼓风机总管过滤器: blast strainer; blaststrainer总压: kinetic pressure; total pre ure; total pressure通风机空气压头损失: fan slip; ventilator air head loss压头: compression tool; discharge head; hd head; head of delivery; head of pressure; head pressure; impresso; indenter; indentor; measuring head; penetrator; pre ure head; press head; pressure head; pressurehead; pressureheight; rammer; resistance head风机: air blower; fan facilities; fans; forced-draught fan