源–受間隔 critical detector-source spacing: 零源距long spacing detector: 長(zhǎng)源距探測(cè)器detector with internal gas source: 內(nèi)氣源探測(cè)器far-infrared source detector: 遠(yuǎn)紅外源探測(cè)器source detector seperation: (放射性勘探)源距下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯