| 摘要 |
A gravity flow device for dispensing a fluid may include a gravity flow body to retain the fluid, a valve body to control the flow of the fluid, and a detachable stem to connect to the valve body. The gravity flow device may be formed from glass, and the detachable stem may be formed from plastic. The gravity flow device may be a burette, and the removable stem may decrease in diameter. The gravity flow body may include a central passageway, and the valve body may include a central passageway to cooperate with the central passageway of the gravity flow body. The detachable stem may include a central passageway to cooperate with the central passageway of the valve body.
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