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　　為??(wei)隧??(sui)道??(dao)“聽??(ting)診??(zhen)”??，是??(shi)一??(yi)項(xiàng)??(xiang)精?(jing)細(xì)??(xi)的??(de)技??(ji)術(shù)??(shu)活??(huo)??，由??(you)于?(yu)隧??(sui)道??(dao)空??(kong)響??(xiang)、滲?(shen)水?(shui)裂??(lie)紋??(wen)等??(deng)病??(bing)害??(hai)非??(fei)常??(chang)細(xì)??(xi)小??(xiao)??，部?(bu)分??(fen)病??(bing)害??(hai)更??(geng)是??(shi)隱??(yin)藏??(zang)在??(zai)襯??(chen)砌??(qi)內(nèi)??(nei)部??(bu)??，肉??(rou)眼??(yan)無??(wu)法??(fa)查??(zha)看??(kan)??，只??(zhi)能??(neng)通??(tong)過??(guo)“聽??(ting)診??(zhen)”的??(de)方?(fang)式??(shi)進(jìn)??(jin)行??(xing)檢??(jian)查?(zha)??。??　　兩??(liang)支??(zhi)隊(duì)??(dui)伍?(wu)在??(zai)隧??(sui)道??(dao)內(nèi)?(nei)有??(you)序??(xu)檢?(jian)查?(zha)??，1米??(mi)、10米??(mi)、100米??(mi)……。