In plants, a long thread - like structure of cellulose, such as cotton, esparto, wood, etc.在植物里, 是一种长条状纤维素结构, 例如棉 、 西班牙草和木等.Esparto: Long - fibred grass, grown in North Africa and Spain, used in pulp for paper - making.西...
分离颗粒常用的装置是惯性冲击器, 旋风分离器, 静电除尘器和过滤器.For particulates, the favored devices are inertial impactors, cyclones, electrostatic precipitators, and filters.风动冲击器是气动冲击回转钻进的主要设备之一.Pneumatic DTH ( Down - The - Hole ) hammer is one o...