The company is initially concentrating on biofilms that Lu says can corrode water pipes and block heat transfer in heating and cooling systems, decreasing energy efficiency by up to 80 percent.

公司最初专注于攻克生物膜问题，卢说这些生物膜可以侵蚀水管，阻断空调系统的冷热交换，减少80%的能源效率。

youdao

The reactions are typically carried out on a regulated heating block, or PCR machine, and consist of 30-35 cycles of repeated amplification of all the DNA present.

这一反应通常是在一可调控的温箱中或PCR仪中进行，对所有的DNA进行30到35个循环扩增。

youdao

The heating system in this block doesn't work well.

这个街区的供暖系统不太好用。

youdao

You started your career of service as a community organizer and now we are hearing from people like -- organizations like the CBC is saying rebuilding our economy on the backs of the most vulnerable Americans is something that is simply not acceptable, like the cuts to the Community Service Block Grants, Pell Grants, heating oil assistance, and freezing salaries of federal workers.

WHITEHOUSE: Presidential Press Conference on the 2012 Budget