- 手動下降閥
- operate: vi. 1.操作，工作；(機械等)動作；運轉(zhuǎn)。 2.起作 ...
- down: down3 n. 1.(裝被、褥等用的)鴨絨 ...
- valve: n. 1.【機械工程】閥，活門，舌門；汽門。 2.【解剖 ...
- manually operated control valve: 手動控制閥
- manually operated valve: 手動操縱閥; 手動閥
下載手機詞典可隨時隨地查詞查翻譯
manually operated down valve中文什么意思
- 手動下降閥
下載手機詞典可隨時隨地查詞查翻譯
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