电气设备的损坏是由于材料质量低劣造成的。

The damage of the electrical equipment is due to inferior quality of the material.

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运用材料力学原理，对矿用隔爆型电气设备外壳进行受力分析，详细介绍了矿用隔爆外壳的设计方法。

By the theory of material mechanics, the stress situation of mining flame-proof electrical apparatus enclosure is analyzed, and the method of design is introduced.

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现随函寄上贵方所需要的电气设备、轮机以及其他材料的估价单，请查收。

We enclose herewith, as request, approximate estimates. of the electrical apparatus, turb , and other material .

youdao

现随函寄上贵方所需要的电气设备、轮机以及其他材料的估价单，请查收。

We enclose herewith, as request, approximate estimates. of the electrical apparatus, turb , and other material .

youdao