After the last ring is installed, bring the follower down on the packing and finger-tighten the gland nuts.

在最后一环安装完后，将压盖随动件压至盘根环上，并用手指上紧压盖螺母。

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After the last ring is installed, bring the follower down on the packing and finger-tighten the gland nuts.

在最后一环安装完后，将压盖随动件压至盘根环上，并用手指上紧压盖螺母。

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