黑帮

The principle,feature,application of PCR technology and the develo-pment of PCR biochip are introduced.

本文论述了PCR技术的原理、特点及应用和PCR生物芯片的研究进展。

On-line consultation can be dry-cleaning machine washing machine prices, and some can be dry-cleaning technology consulting.

可以在线咨询干洗机水洗机价格，并可以进行一些干洗技术的咨询。