您要找的是不是：
n. 俱乐部，社团；夜总会；棍棒；（扑克...
n. 动词；动词词性；动词性短语或从句 | ad...
300 b
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
In electronics the 300B is a directly-heated power triode vacuum tube with a four-pin base, introduced in 1938 to amplify telephone signals. It measures 6.
点击反馈