open pitadj.露天采掘的openadj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开open reduction of mandibular fracture下颌骨骨折切开复位[术]Open Flame Sunshine Carbon-Arc Type明焰日光碳弧灯型opennings and development engineering井巷工程openness of practical capital account实际资本账户开放open cycle geothermal power generation开式循环地热发电Open SDK for plug-ins development.开放的插件SDK功能。open market committee the F.R.S.美国联邦储备系统公开市场委员会Open-Fibre Filament Twill Peach Skin开纤长丝斜纹桃皮绒Open-Loop Oxygen-Generating System开路制氧系统Open distributed profit per share?