... 按直接原材料费用分摊间接费用法 direct material costs method 材料费用 overhead of material 冲压材料费用 stamping-material cost ...
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The other half to two-thirds reflects costs of material, labor, and overhead from other countries.
而其它的一半到三分之二的费用则用在来自其它国家的原料，劳动力，以及管理费用上。
Cracks occurred in the main weld joining the web and upper wing panel of an overhead crane girder of I-section, some of which have expanded to the structure material and even led to girder fracture.
桥式起重机采用工字形截面作为主梁，使用多年后该结构形式的主梁上翼缘板和腹板连接的主焊缝及母材多处产生裂纹，甚至发生主梁断裂事故。
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