"查查詞典"手機(jī)版
千萬人都在用的超大詞匯詞典翻譯APP
- The check valve seats shall be of molded thermoplastic construction
止回閥閥座應(yīng)該是模制熱塑塑料結(jié)構(gòu)。 - Check valve seats are replaceable without the use of special tools
止回閥閥座可更換,不需要采用特殊工具。 - Boilor check valve seat
止回閥座 - Check valve seat
止回閥座