surface with macadam表面用碎石覆盖asphalt macadam沥青碎石Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.The construction techniques of cement treate...
Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.The construction techniques of cement treated macadam base are always paid more attention ...
我们现在无论怎样也不相信 “ 缓和 ” 的神话了.We can't possibly believe the myth of " detente " now.这半晌来颇见缓和的风陡地又转劲了.The wind, which slackened off some time since , now suddenly rose again.他警告我们不要上假缓和的当,以免放松对扩张主义的斗争.He warned against a ...
There are three major advantagesof the design, viz / namely cheapness, simplicity and availability.这种设计有叁大优点, 即价廉 、 简便、实用.Cheapness is one of the main attractions of polyester resins.廉价是聚酯树脂受到欢迎的主要原因之一.The cheapness of c...