Such as slag, water slag, expanded vermiculite, mineral wool, rock wool, expanded perlite, rice husk and wood chips, it should not be used in both vibration and retainingstructure.
如炉渣、水渣、膨胀蛭石、矿物棉、岩棉、膨胀珍珠岩、木屑和稻壳等，它不宜用于受振动和围护结构上。
2
Retainingstructure of masonry arch dam, diversion system for pressurized water diversion, plant-plant to the ground.
挡水建筑物为浆砌石拱坝，引水系统为有压引水，厂房为地面式厂房。
3
The structure changes the operation modes, such as pulling, dragging, moving and pressing of the open-close of the waterretaining cover of the existing electric iron to rotation operation.