青云翻译

As Figure 4 gear 4 and rotating the follower guide rod body 2 fixed together

Gear 4 as shown in Figure 4 and 2 solid rotating Guide-bar mechanism follower

Because Figure 4 gear 4 and rotation guide rod organization from moving parts 2 solid associations

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Gear 4 as shown in Figure 4 and 2 solid rotating Guide-bar mechanism follower