Chapter 6 Reinforced Concrete
Chapter 6
Conversation1.—Our concrete material is mixed in a rotating-drum batch mixer at the job site.  我们用的混凝土是在现场的间歇式转筒搅拌机中搅拌的。2. —Quality of concrete depends on proper placing, finishing, and curing.  混凝土的质量取决于适当的灌注、抹光和养护。3. —The workers tend to start the final finishing now.  工人们现在打算开始最后的抹光作业。4. —The concrete can be made stronger by pre-stressing in our factory.  在我们厂里可以使混凝土通过预加应力得到增强。
Chapter 6
5. —Most of construction material can be tested in our laboratory ...