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热力管道设计
热力管道设计说明
probl ems that cannot be ignored. Some lea ders unwilling t o do masses w ork, masse s concept weak, on masses feeli ngs not deep, pe ndulum not are with masses of relationshi p, thi nk masses w ork is rev oluti onary w ar era of thi ngs, now obsolete ha s, buried busine ss w ork, ig nore d masse s work of situation compare d Ge neral; some lea ders not do ma sses work, old met ho d regardl ess of