In addition, application of bolt of height-fixed bushing and inner six corners in the elastic discharging device made die installation and maintenance easier.

另外在弹性退料装置中将卸料螺钉改用为定高套加内六角螺钉装置，使模具在装配和维修时得到了方便。

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When the pipe joint screw, should follow the principle of diagonal twist, not one by one in order to operate, do not screw the screw die, so that the correct installation of rubber gasket.

在拧管道接头螺丝时，应遵循对角互拧的原则，不要逐个顺序进行操作，不要一次性将螺丝拧死，这样才能将橡胶垫片正确地安装上去。

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The application of die plate in shaft equipment installation is introduced.

介绍了模具盘在井筒装备安装中的具体应用。

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