调水平 meaning in Chinese

level-off

Gotta get this dead level here , help me out
要把传送带调水平，帮我一下
In order to improve the peak load regulation performance of boiler and decrease its consumption of oil , the burners were retrofitted by using adjustable horizontal concentrated - diluted pulverized coal burners combustion technology and small oil gun ignator
摘要为提高锅炉低负荷调峰性能和降低锅炉耗油量，利用可调水平浓淡燃烧技术和小油枪点火装置，对燃烧器进行了改造。