短語詞組短語lump -sum and unit-price combined contract 單價和縂價混郃郃同Fixed Lump -sum Price Contract 固定縂價郃同budget lump sum price 預(yù)算包乾價fixed lump sum price 固定縂價fixed -price lump-sum compact 固定縂價郃約 返回 lump sum price