Under different circumstance the hazardous element shown differently influence.

不同条件下有害元素所受的影响有所不同。

Construction enterprises should determine different strategies and offer skills of the project bid price quotation according to different circumstance when are bidding.

施工企业投标时可根据不同工程的具体情况，确定不同的投标报价策略和报价技巧。