allowancen.零用钱；津贴；限额，定量；允许；折扣；考虑allowance noise level允许噪声电平, 容许噪声级allowance and rebates[经] 折让及回扣Allowance Source Code允许源代码allowance for abrasion磨蚀裕量,磨损裕度allowance of nutrients营养素供给量allowance for machining加工余量allowance for depletion[经] 备抵折耗allowance for corrosion腐蚀裕度Allowance Equipage List定额装备表allowance for bad debtsn.呆帐准备金