disc seal valve
词语: disc seal valve
解释: 盘封管
词性: 名词
词典: 电力专业英汉词典
disc seal valve 相关解释
盘封管 disc seal tube;disc seal valve
盘封管 disc seal valve
盘封管 disk-seal tube
disc seal valve
词语: disc seal valve
解释: 盘封管
词性: 名词
词典: 电力专业英汉词典
disc seal valve 相关解释
盘封管 disc seal tube;disc seal valve
盘封管 disc seal valve
盘封管 disk-seal tube