In order to get ridded of the non real-time detection methods of artificial site sampled and laboratory instrument analyzed in the field of methane detection in the offshore shallow gas. real-time in-situ detection system for methane in offshore shallow gas was designed by the film interface. The methane in the offshore shallow gas through the gas-liquid separation membrane of polymer... https://www.diegojavierfares.com/quick-offer-Little-Ollie-174-Dwarf-Olive-Monrovia-super-sale/