IP54, F class, Heavy duty Galvanized wire rope, Rain cover, Wind locker, Rail sweeper, Horn.

防护等级IP54，F级绝缘，高强镀锌钢丝绳，防雨罩、防风锁、扫轨器、声光报警等；

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F class generalized m - matrices include not only all m - matrices but also all positive matrices.

型广义m -矩阵不仅包括了M -矩阵，还包括了所有的正矩阵。

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The stator winding is F class insulation structure, the end of winding is fixed and binded reliably.

定子绕组采用F级绝缘结构，并在绕组端部有可靠的固定及绑扎。

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Now the larger version, a new class we dubbed the F-class, has been specially configured for being able to carry very large and over-dimensional pieces, and has no line-of-sight issues.

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Mercedes-Benz has the A-Class E Cell, sold only in Europe, and the B-Class F-CELL, but plans to debut the SLS-AMG E Cell in a battery electric version by 2013.

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More than just megapixels, its best-in-class f-2.0 lens with a backside illuminated sensor takes amazing pictures in low light and its quick launch feature makes sure you never miss an important moment.

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