abbr.Great Books Foundation 名著基金会
网络 现浇混凝土;现浇钢筋混凝土;General Bunker Floating
The actual application of the GBF pipe in the engineering makes it get important breakthrough and revolution in the design of the floor.
通过在工程中的实际应用,使得GBF管在楼盖设计中有了重大突破与变革。
Objective: To study the relation between gingival blood flow (GBF), blood current velocity (BCV), blood concentration (BC) in gingival and periodontal diseases.
目的:探讨牙龈血流量(GBF)、血流速度(BCV)和血浓度(BC)与牙周病的关系。