短語(yǔ)詞組短語(yǔ)beam type secondary cooling 梁式二次冷卻water cooling beam 大水梁;水梁active cooling beam 主動(dòng)式冷梁structure of water cooling beam 水梁結(jié)構(gòu)cooling laser beam injecting 冷卻光注入water -cooling beam and column 水冷梁柱 返回 beam cooling