[机械工程 照明 加热] 平行滑动闸阀; 平行滑门阀 [电学] 并行滑门阀 parallel gate valve parallel slide valve: 平行式闸阀parallel slide valve: 平行闸板阀gate-type slide valve: 闸门式滑阀parallel gate ale parallel slide ale: 平行式闸阀double faced slide gate valve: 两面滑门阀下载手机词典可随时随地查词查翻译
