词汇	nuclear selection rules
释义	nuclear selection rules 核选择定则
随便看	underground passage underground passages/caves/streams underground passageway underground passgae underground passing through underground path underground pedestrian system underground pedestrian walk underground pedestrian walkway underground pedestrian walk ways underground penstock underground percolation underground perforated drainpipe system underground permeation fluid mechanics underground personnel positioning system underground pest Underground pests underground petroleum storage cavern underground petroleum storage caverns underground PHS communication underground phytomass underground pipe underground pipe canal underground pipe draining water underground pipe-driving survey