The later period of karst corrosion deposit experienced lateritization, had accomplished the red clay basic characteristic.岩溶残余堆积物后期又经历红土化作用, 造就了红粘土的基本特征....
A congressional report charges that federal safety laws were recklessly violated.一份国会报告指责联邦安全法被公然违反。Seventeen congressmen were absent at the Congressional roll call.议会点名时有17名议员缺席.The Congressional Budget Office says the ...