expansiveadj.易膨胀的；广阔的；滔滔不绝的；健谈的Expansive laminoplasty椎管扩大成形术Expansive soil channel膨胀土渠道expansive laminaplasty椎管成形expansive tree grammar扩展树状文法Expansive pedicle screw膨胀式椎弓根螺钉expansive soil subgrade膨胀土路基expansive fiscal policy扩张性财政政策expansive mapping pairs扩张型映射对expansive soil cut slope膨胀土堑坡expansive reinforce tape膨胀加强带

1. The experimental study indicates mixing with lime improved this kind of expansive soil is of high quality.
   试验研究表明，掺合石灰的方法对该类膨胀土的改良效果较好。
2. The microcosmic structure of the undisturbed soil sample done by lyophilization is tested.
   对冻干法制备的广西膨胀土不扰动样进行了微结构测试研究。