为使钨完全还原为5价，通常单独使用三氯化钛或氯化亚锡作还原剂。
In order to reduce tungsten to W5 + completely, titanium trichloride or stannous chloride were generally used as reducing agents.
为使钨完全还原为5价，通常单独使用三氯化钛或氯化亚锡作还原剂。
In order to reduce tungsten to W5 + completely, titanium trichloride or stannous chloride were generally used as reducing agents.
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