作者: C. Moseley
DOI:
关键词: Waste management 、 Engineering 、 Spring (device) 、 Base (geometry) 、 Propane 、 Petroleum engineering
摘要: A fuel level indicator for a propane tank has top and base. The means to receive support tank. is spring mounted base by bolts surrounded springs. moves downward when full thereon. As the empties, upward from force of located on device indicate above In further embodiment remote used.