friendship treaty的用法和样例：
例句
- Lavrov says Dmitri Medvedev warned President Yushchenko that Ukraine's NATO membership would violate a friendship treaty between the two countries.
拉夫罗夫说，梅德韦杰夫总统警告尤先科，乌克兰加入北约将违反两国的友好条约。 - Conclude treaties of trade and friendship with foreign countries on the basis of equality and reciprocity.
同外国订立平等互惠通商友好条约。
