短語詞組短語strain n at 用力;緊拉strain strain at 緊拉strain n at the leash 牽扯皮帶Relationship Between Stress -Strain Concentration at 硬化材料切口根部應(yīng)力strain at the leash 牽扯皮帶Strain at Break 斷裂伸長率;斷裂應(yīng)變;伸長率Strain at yield 屈服應(yīng)變strain at a gnat 斤斤計較;謹小慎微strain at the leather 使勁拉皮帶 返回 strain at