opening n.开始,口子,穴,揭幕a.开...access(ing) opening 检修孔;检修口...slot opening 齿缝开度...wide opening,wide market 买价和卖价出现不正常的大差距的...quick-opening valve 速启阀...air opening 风洞...vertical feed opening 垂直进料口...eye-opening a.使瞠目吃惊的,使人开眼界的...quick-opening manhole 快开人孔...time opening 定时断开;定时开启...weld root opening 焊缝根部间隙...saphenous opening 卵圆窝(大隐静脉孔)...opening quotation 开市行情,开市价,开盘...nozzle opening 接管开孔...application for opening letter of credit 开发信用证申请书...quick opening manhole 快开人孔...anodal opening tetanus 阳极断电强直...birth opening 产孔...burner opening 燃烧器口...cleanout opening 清扫口(油罐)...opening as account 开户,开立帐户...
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