adjusting flow board的用法和样例：
- MRF (magneticcurrent recharge fluid) damper changes magnetic field via coil current to adjust flow of magnetic current recharge fluid in damp channels, control of damp fore of damper is realized.
- He invented an adjustable flow faucet, and at the age of 20, was given his second patent.
- Needle valves are excellent for metering and other fine adjustment flow control applications.
- It is widely used at venting pipe and air-blower outlet in building material, glass, mining, power, light industry and papermaking departments.It adjusts flow in pipe by different working conditions.