specialized norm
专业规范
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The manual reaming is easy to cause problems, such as over norm of heat load and CO volume fraction. The reform of gas range should be conducted by specialized manufacturers.
手工扩孔易造成热负荷及CO体积分数超标等问题，灶具改造应由专业厂家进行。
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应用推荐
模块上移
模块下移
不移动