bell-jar钟罩电解槽;翻译
bell-jar cell钟罩电解槽
bell-jar type钟罩式
bell-jar counter钟罩型计数管
bell-jar valve钟罩阀
bell-jar exhaust钟罩排气
bell-jar process钟形法
bell-jar wire coiler钟罩式卷线机
multiple-bar bell-jar多棒钟形烧结炉
N(名词) a bell-shaped glass cover used to protect flower arrangements or fragile ornaments or to cover apparatus in experiments, esp to prevent gases escaping 钟形玻璃罩