选择题:People are spending more of their income on goods

题目内容:
People are spending more of their income on goods such as cars and household ________ .
A、facilities
B、appliances
C、instruments
D、equipment
参考答案:

泥浆护壁钻孔灌注桩施工中,泥浆循环方式有哪两种?试分析其有何不同?

泥浆护壁钻孔灌注桩施工中,泥浆循环方式有哪两种?试分析其有何不同?

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