短語詞組短語pretension spring 預(yù)應(yīng)力彈簧without pretension 樸實(shí)的passive pretension 平衡張拉pretension stress 預(yù)緊力pretension effects 預(yù)張力影響pretension bolt 預(yù)緊螺栓pretension force 預(yù)緊力;預(yù)張力Bolt Pretension 螺栓預(yù)緊載荷 返回 pretension