平行式闸阀 parallel gate valve parallel slide valve: 平行式闸阀parallel single disk gate valve: 单阀碟双面平行密封闸阀parallel gate: 并联门gate valve: (1)闸阀; 滑板阀; 选通管; 闸阀,闸板阀; 闸阀选通阀; 闸门阀; 制水阀valve gate: 阀门浇口; 阀式浇口; 闸阀盘下载手机词典可随时随地查词查翻译