单项选择题
A.碎石类土 B.砂类土 C.粘性土 D粉土
A.越大 B.越小 C.不变 D.无法确定
A.76% B.58% C.67% D.18%
A.65~70℃ B.95~100℃ C.105~110℃ D.115~120℃
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