土木

Conservationists are fighting to stop the fields around here from being built on.

自然保护主义者进行奋斗以阻围地区大兴土。

Construction project management is an important specialistic course of civil engineering major.

摘要“工程项目管理”是土工程专业一门重要专业课程。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土香挥发油化学成,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土香挥发性成异。