词汇	窦螺旋的
释义	窦螺旋的 sinospiral
随便看	bottom-blown basic converter bottom blown converter bottom-blown converter bottom-blown converter steelmaking bottom blown furnace bottom-blown ladle bottom blown oxygen bottom-blown oxygen converter bottom blowoff bottom blow off bottom blow-off bottom blow off of boiler bottom blow valve bottom blug bottom board Bottom-board bottom board crushing bottom board of hooks bottom board slope bottom boil bottom boiler connection bottom bolster bottom bolt Bottom-bolt disassembly machine bottom boom