blast shell 中文意思是什麼
blast shell
解釋
爆破彈-
A wind vent is in the opposite of this door with a blast furnace. in the ground there are ten more ditches for the air while burning the oyster shell. the mottled wall tells its history
風口外為鼓風設備,窯底則有紅磚鋪設而形成之平行於中軸線的窯溝十數條,系燒制蚵時供應助燃外氣的管道。
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