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The material for building the bridge must be very strong so that it may not break in use.
为使桥梁不致在使用中断裂,建造桥梁的材料强度必须非常高。
youdao
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The material for building the bridge must be very strong so that it may not break in use.
为使桥梁不致在使用中断裂,建造桥梁的材料强度必须非常高。
youdao