短語(yǔ)詞組短語(yǔ)catalyst packing bed 催化劑填料moving catalyst bed 移動(dòng)催化劑床;翻譯fixed catalyst bed 固定觸媒床ammonia catalyst bed 氨觸媒床silver catalyst bed 銀網(wǎng)催化床temperature of catalyst bed 催化劑床層溫度integral catalyst bed 整體式催化劑床catalyst bed temperature 催化床溫度catalyst bed skimming 催化劑床層撇頭 返回 catalyst bed