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03:24 Nov 11, 2008
English to Chinese translations [PRO] Tech/Engineering - Petroleum Eng/Sci / about oil tanks
English term or phrase:penetration-grade asphalt ?
In the case of viscous oils, such as cutback and penetration-grade asphalts, where the danger of tank collapse resulting from sticking pallets or from plugging of flame arresters is greater than the possibility of flame transmission into the tank, open vents may be used as an exception to the requirements of Sections 220.127.116.11 and 18.104.22.168 for PV valves or flame-arresting devices.