In industry almost anything may be required to be mixed with anything else, and for a variety of reasons, including obtaining a homogenous product, transferring heat or suspending a solid.

• 工业上，也许要求任何一种东西与别的一种东西混合，这样做的理由有许多，包括获得一种均匀的产品，传递热量或者使一种固体粒子悬