Therefore in the construction contract uses the advanced payment the contractor may exercise unassured pleadings to guard project funds is delayed in payment .

因此，在适用预付 款的合同中，承包商可以行使 不 安抗辩 权，以防范工程款拖欠。

Stated the scope and restriction of unassured pleading in the pape .

界定了 工程 合同 中 不 安 抗辩 权 行使的范围和限制。

It was the weakest thing he had ever done . It was totally unassured .

这是他最无力的举动， 口气 中 一 点 也 没有 把握。

The contractors may exercise unassured pleadings to guard project fund that is delayed in payment .

承包商可以行使 不 安抗辩 权以防范工程 教拖欠。