Bulkan布尔坎bulkn.体积；容积；大块；大部分；大批adj.散装的；大量的vt.使膨胀；使成堆vi.膨胀；显得重要bulk food packing pack散装食品Bulk-cement delivery散装水泥车bulk phosphate carrier散装磷酸盐船散装磷矿石船bulk memory controller大容量存储控制器Bulk current injection大电流注入bulk storage warehouse散装货仓库bulk handling dextrose散装葡萄糖bulk effect oscillator体效应振荡器bulk rougher flotation全部粗浮选bulk transmission grid骨干网架