high echo高波highadj.高的；高尚的；高级的；高度的；全盛的adv.高；奢侈地；音调高n.高水平；高气压；（麻醉品带来的）快感high purity magnesium hydroxide高纯氢氧化镁high manganese austenitie steel高锰奥氏体钢High-frequency electrecantery高频电刀high frequency coating material高谐波涂料high-volatile bituminous coal高挥发烟煤high frequency electric machine高频电机high velocity supply air system高速送风系统high temperature coloured glaze高温颜色釉High humid and warm environment高湿热环境high speed and steady operation稳定运行