干坞工程在坞底设置(),利用水泵将水排至坞外。
A、边沟
B、明沟
C、排水沟
D、盲沟
E、集水井
参考答案:B, D, E
Many students don't want themselves to _______ doing _______ homework.
A.keep busy; too much
B.be kept busying; much too
C.be kept busy; too much
D.being kept busy; too much
哪个项目可以协调得分()。
A.生产厂开发产品HPD
B.绿色建筑密度津贴
C.雨水收集可以获得SS雨水管理和WE室外节水
D.合适的HVAC尺寸