对油和固体燃料加热系统进行定期维护服务。
Perform scheduled maintenance service on oil and solid fuel heating systems.
油和固体燃料加热技工安装和维护住宅及商业楼宇的石油，煤炭和木材取暖系统。
Oil and solid fuel heating mechanics install and maintain oil, coal and wood heating systems in residential and commercial buildings.
目前研究人员正在开发陆基激光器系统，利用该系统加热燃料（例如氢）达到易于控制的温度。
Now researchers are exploring ground-based lasers systems that heat fuels such as hydrogen to a temperature that is easier to manage.
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