Nuts and bolts connect wind turbine hub and nacelle have been tightened with torque mark.
ID: 2274605275
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- 大图:2321 × 1741 像素·19.65 cm × 14.74 cm·300dpi·JPG
- 中图:1000 × 750 像素·35.28 cm × 26.46 cm·72dpi·JPG
- 小图:500 × 375 像素·17.64 cm × 13.23 cm·72dpi·JPG