短語詞組短語concrete e placer 混凝土澆注機pneumatic concrete placer 氣動混凝土灌注機;氣力噴注機;氣動混凝土澆灌機pneumatic c concrete placer 氣動混凝土灌注機pneumatically operated concrete placer 氣動混凝土灌注機belt type concrete placer 帶式混凝土澆注機eumatic concrete placer 氣動混凝土灌注機mobile concrete placer 移動工混凝土澆注機 返回 concrete placer