chain grate
柯林斯词典
1. N a type of mechanical stoker for a furnace, in which the grate consists of an endless chain that draws the solid fuel into the furnace as it rotates 鏈式爐箅
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1. N a type of mechanical stoker for a furnace, in which the grate consists of an endless chain that draws the solid fuel into the furnace as it rotates 鏈式爐箅