High risk project approval must be safe production as a pre condition.
高危项目审批必须把安全生产作为前置条件。
If you have a pre-existing medical condition, consult a doctor before use.
如果你有一个预先存在的医疗状况，请教医生后使用。
At last, the cable force and displacement of the bridge is basically returned pre-condition.
最后，换索后索力、位移基本恢复到换索前状态。
At last, the cable force and displacement of the bridge is basically returned pre-condition.
最后，换索后索力、位移基本恢复到换索前状态。
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