嚴密地控制
詞語： 嚴密地控制
解釋： keep a firm grip on;keep a firm hand on;keep a firm hold on;keep a tight grip on;keep a tight hand on;kept a firm grip on;kept a firm hand on;kept a firm hold on;kept a tight grip on;kept a tight hand on;kept a tight hold on
詞典： 航海專業漢英詞典
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