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【单选题】
南方地区沥青油膏中10号及60号石油沥青混合与石棉绒的重量比为（）。
A.
27.04：0.52
B.
27.04：2.45
C.
27.04：21.39
D.
27.04：14.65
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举一反三
【单选题】石油沥青的牌号越低，其( )。
A.
黏性越强，塑性越小，温度稳定性越好
B.
黏性越强，塑性越小，温度稳定性越差
C.
黏性越强，塑性越大，温度稳定性越差
D.
黏性越弱，塑性越大，温度稳定性越差
【单选题】石油沥青塑性是( )
A.
石油沥青在外力作用下产生变形而不破坏，除去外力后仍保持变形后的形状不变的性质
B.
石油沥青的黏滞性和塑性随温度升降而变化的性能
C.
石油沥青在热、阳光、氧气和潮湿等因素的长期综合作用下抵抗老化的性能
D.
沥青材料内部阻碍其相对流动的一种特性
【单选题】In 1967, in response to widespread public concern aroused by medical reports of asbestos(石棉绒) related deaths, NMRC organized a committee of enquiry to investigate the health threats ,associated with t...
A.
only when asbestos is used in building industry
B.
only when it is used in large quantities
C.
even if it is used in small quantities
D.
if they are used when wet rather than dry
【单选题】In 1967, in response to widespread public concern aroused by medical reports of asbestos(石棉绒) related deaths, NMRC organized a committee of enquiry to investigate the health threats ,associated with t...
A.
only when asbestos is used in building industry
B.
only when it is used in large quantities
C.
even if it is used in small quantities
D.
if they are used when wet rather than dry
相关题目：
【单选题】石油沥青的牌号越低，其( )。
A.
黏性越强，塑性越小，温度稳定性越好
B.
黏性越强，塑性越小，温度稳定性越差
C.
黏性越强，塑性越大，温度稳定性越差
D.
黏性越弱，塑性越大，温度稳定性越差
【单选题】石油沥青塑性是( )
A.
石油沥青在外力作用下产生变形而不破坏，除去外力后仍保持变形后的形状不变的性质
B.
石油沥青的黏滞性和塑性随温度升降而变化的性能
C.
石油沥青在热、阳光、氧气和潮湿等因素的长期综合作用下抵抗老化的性能
D.
沥青材料内部阻碍其相对流动的一种特性
【单选题】In 1967, in response to widespread public concern aroused by medical reports of asbestos(石棉绒) related deaths, NMRC organized a committee of enquiry to investigate the health threats ,associated with t...
A.
only when asbestos is used in building industry
B.
only when it is used in large quantities
C.
even if it is used in small quantities
D.
if they are used when wet rather than dry
【单选题】In 1967, in response to widespread public concern aroused by medical reports of asbestos(石棉绒) related deaths, NMRC organized a committee of enquiry to investigate the health threats ,associated with t...
A.
only when asbestos is used in building industry
B.
only when it is used in large quantities
C.
even if it is used in small quantities
D.
if they are used when wet rather than dry
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