“double drum boiler”- related parts

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Handholes 2018-07-12
It consists of handhole ring, handhole gasket and handhole pressing plate.
Manholes 2018-07-12
It consists of manhole ring, manhole gasket and manhole pressing plate. Manhole device are differentiated by pressure level and size.
Front and rear axles 2018-07-12
The front and rear axles of different boiler’s grate have different size.