A challenging, conservative and economically viable procedure within the compass of a single visit.

一个具有挑战性的，保守的和经济上可行的程序的指南针一个单一的访问。

youdao

A challenging, conservative and economically viable procedure within the compass of a single visit.

一个具有挑战性的，保守的和经济上可行的程序的指南针一个单一的访问。

youdao