混凝土的徐变是指混凝土在一定荷载长期作用下,随着时间而产生增加的塑性变形。()
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I chose this coat in the end because ___________ones were all too expensive
A. the others
B. another
C. others
D. the other
钢筋套筒剂压连接技术,钢筋的轴向力主要是通过变形的套筒与变形钢筋之间的紧固力来传递的。()
高强度螺栓连接传递剪力的机理和普通螺栓基本相同。()
This song is very___________ with young people
A. pleasant
B. popular
C. favourite
D. beautiful