Consider the bursting strength that is required and the tear strength desired.
考虑爆破强度是必需的，所需的撕裂强度。
For a middle distance runner, a combination of strength, endurance and speed is required.
中距离跑运动员需要把力量，耐力，速度很好地结合起来。
This will cause resin dosage to increase in order to achieve the required sand strength.
为达所需强度只得增加树脂使用量。
This will cause resin dosage to increase in order to achieve the required sand strength.
为达所需强度只得增加树脂使用量。
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