Equipments Used For Coal Mining In India

The distance between the shear step 91 and the internal thread 12 of the nut and the distance between the shear ring 8 and the external thread 13 have the following relationship when the shear step 91 is placed against the shear ring 8, the nut 7 and the external thread 13 form a thread connection the distance between the shear ring 8 and the upper end of the external ...

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