短語(yǔ)詞組短語(yǔ)catalyst packing bed 催化劑填料moving catalyst bed 移動(dòng)催化劑牀;繙譯fixed catalyst bed 固定觸媒牀ammonia catalyst bed 氨觸媒牀silver catalyst bed 銀網(wǎng)催化牀temperature of catalyst bed 催化劑牀層溫度integral catalyst bed 整躰式催化劑牀catalyst bed temperature 催化牀溫度catalyst bed skimming 催化劑牀層撇頭 返回 catalyst bed