butterfly-valve type deluge valve的意思|示意
美 / /
英 / /
蝶阀式雨淋阀
butterfly-valve type deluge valve的网络常见释义
蝶阀型雨淋阀 ...spxol valve 蝶形控制阀 Solw closure butterfly check valve 蝶形缓闭止回阀 butterfly-valve type deluge valve 蝶阀型雨淋阀 ..