Gears are weatherproofed and Babbit sprockets may be applied.
齿轮抗大气腐蚀的，并且可以应用巴氏合金链轮。
Once sealed, our solar modules become weatherproofed and are able to withstand high levels of ultraviolet radiation and moisture.
密封之后，我们的太阳能组件就拥有了耐风雨能力，能够承受高强度的紫外射线和湿度。
Once sealed, our solar modules become weatherproofed and are able to withstand high levels of ultraviolet radiation and moisture.
密封之后，我们的太阳能组件就拥有了耐风雨能力，能够承受高强度的紫外射线和湿度。
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