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實(shi)(shi)驗(yan)室(shi)管(guan)(guan)(guan)(guan)道(dao)(dao)工程：實(shi)(shi)驗(yan)室(shi)管(guan)(guan)(guan)(guan)道(dao)(dao)系統的(de)布(bu)置方式(shi) 各(ge)種管(guan)(guan)(guan)(guan)網(wang)都是(shi)由總管(guan)(guan)(guan)(guan)、干管(guan)(guan)(guan)(guan)和支管(guan)(guan)(guan)(guan)三部分組成。總管(guan)(guan)(guan)(guan)是(shi)指(zhi)從(cong)室(shi)外管(guan)(guan)(guan)(guan)網(wang)到實(shi)(shi)驗(yan)室(shi)內的(de)管(guan)(guan)(guan)(guan)道(dao)(dao)，干管(guan)(guan)(guan)(guan)是(shi)指(zhi)從(cong)總管(guan)(guan)(guan)(guan)分送(song)到各(ge)單元的(de)管(guan)(guan)(guan)(guan)道(dao)(dao)，支管(guan)(guan)(guan)(guan)是(shi)指(zhi)從(cong)干管(guan)(guan)(guan)(guan)連(lian)接到實(shi)(shi)驗(yan)臺和實(shi)(shi)驗(yan)設備(bei)的(de)管(guan)(guan)(guan)(guan)道(dao)(dao)，各(ge)種管(guan)(guan)(guan)(guan)道(dao)(dao)一般(ban)總是(shi)以水平(ping)和垂直(zhi)兩種方式(shi)布(bu)置。