釜盖液压升降，平稳安全。
两个管子从釜盖延伸并悬挂一个在大釜上方的球状体。
Two pipes extend from the lid and suspend a globe directly above the cauldron.
机械和连接结构：连接结构采用螺栓式结构或快开式卡环连接，同时釜盖可提升，釜体可取下。
Mechanical and structural connection: structural connection with bolts type structure or fast open loop connection, also can promote the kettle cover, axe body can be taken down.
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