自力谋生: fend for oneself; paddle one's own canoe; stand on one's own feet and earn one's own living; support oneself
Example Sentences:
1.
Self - operated flow regulator 自力式流量调节阀
2.
The self - supported flow regulating valve can be approach to eliminate the water power maladjustment in city heat supply system meanwhile realize energy saving 供热系统中的水力失调与自力式流量调节阀的应用