Easy to operate, store jerrican accretion,reduce the labor density.

操作方便，贮油桶油量增大，减少操作者劳动密度。

Every culture is an accretion.

每一种文化都是长期淀的。

As described above, the collapse of a rotating cloud of gas and dust leads to the formation of an accretion disk through which matter is channeled onto a central protostar.

分的重力能量在崩溃的过程中会以红外线的形式损失掉，其馀的则会用于增加天体核心的温度。