短語詞組短語Single Double Bed 人床;孤單雙人床single indeed bed 單人床single fluidized bed reactor 單級流化床反應器Subdividing single sand bed 細分單砂層Single -bed Room 單人房間;單床間single sand bed 單砂層Single adsorbent bed 單吸附床single e bed 單人床;單床房 返回 single bed