Photography la

According to relevant public information, if a large number of photographic equipment in daily life is transported, it will be found that large trailers need to pull a lot of tonnage and need a lot of power. The more power you need, the more oil you need. The heavier you pull, the more oil you need.

Gasoline is a volatile and flammable hydrocarbon mixture liquid fractionated and cracked from petroleum, which can be used as fuel. The appearance is transparent liquid, flammable, and the distillation range is 30℃ to 220℃. The main components are C5 ~ C 12 aliphatic hydrocarbons and cycloalkanes, and a certain amount of aromatic hydrocarbons. Gasoline has a high octane number, which can be divided into brands such as 89, 90, 92, 93, 95, 97 and 98.