propping

n.

支撑；

v.

支撑，支持，维持( prop的现在分词 )；

prop up v. 支撑；支持

1. The nonpublic economy has developed vigorously, becoming a main force propping the national economy.
   非公有制经济蓬勃发展，成为支撑国民经济的重要力量。
2. Even Goldman would struggle to make money without the array of government backstops propping up the system.
   若没有政府对银行系统的支撑，就算是高盛的盈利也会非常艰难。

Tunneling and propping
Tunneling and propping: A justification for pyramidal ownership ☆
Method of fracturing and propping a subterranean formation
Self-propping and fluid flow in slightly offset joints at high effective pressures
Tunneling, propping, and expropriation: evidence from connected party transactions in Hong Kong ☆
Hydraulic fracturing method using sintered bauxite propping agent
Intragroup Propping: Evidence from the Stock-Price Effects of Earnings Announcements by Korean Business Groups
Nano-propping effect of residual silicas on reversible lithium storage over highly ordered mesoporous SnO2 materials
Highly Stable Mesoporous Metal Oxides Using Nano-Propping Hybrid Gemini Surfactants
The Southern Hemisphere Westerlies in a Warming World: Propping Open the Door to the Deep Ocean