题目内容：
桩端达到硬土层或岩层，荷载主要靠桩端反力支承的是（ ）。
A．摩擦桩 B．端承桩
C．预制桩
D．灌注桩
参考答案：
答案解析：
单选题：桩端达到硬土层或岩层，荷载主要靠桩端反力支承的是（ ）。
- 题目分类：矿业工程
- 题目类型：单选题
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B．端承桩
C．预制桩
D．灌注桩
B．端承桩
C．预制桩
D．灌注桩
换填的砂和砂砾石垫层，其砂和砂砾石中的含泥量均应小于（ ）。
换填的砂和砂砾石垫层，其砂和砂砾石中的含泥量均应小于（ ）。A．5% B．8% C．10% D．12%
The word "tricks" at the end of Paragraph 2 is closest in m
The word "tricks" at the end of Paragraph 2 is closest in meaning toA． "experi
Our new house is on the first floor.
Our new house is on the first floor.A．bottom B．third C．ground D．top
Volunteers have to get prepared for the time in the calorime
Volunteers have to get prepared for the time in the calorimeterA．the volunteers
It sounds great that soon there will be space residence, alt
It sounds great that soon there will be space residence, although it is still a