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All the units employ hollow burned - clay blocks as the basic raw material.所有構(gòu)件都用空心陶土磚做基本原料.Bark may be used as raw material for paper - making.樹皮可以做造紙的原料.Only 55 per cent of the raw material is canned. The rest is throw...

raw material的音標(biāo)：raw material的英式發(fā)音音標(biāo)為：[r?: m?'ti?ri?l]raw material的美式發(fā)音音標(biāo)為：[r? m?'t?ri?l]...

n.原料，原材料，生料...