manual butterfly valve
基本解释
- 手动蝶阀
英汉例句
- It does not need large-diameter bottom cover to discharge dry cake, generally only with ball valve or butterfly valve. The valves can be electric or pneumatic, or manual.
底部不需大直径的排干滤饼底盖，只用球阀或蝶阀，这些阀门可以是电动，或者气动，或者手动。
双语例句
词组短语
- manual high performance butterfly valve 手动高性能碟阀
- Manual rubber lined butterfly valve 手动衬胶蝶阀
- manual dual direction butterfly valve 手动变向螺门
短语
专业释义
- 手动蝶阀