media pass meaning in Chinese

采访证

Courseware cores in knowledge node , center which all sorts of teaching media pass the knowledge content in some field to learners by means of sensory organs
课件又以知识点为核心，各个媒体是以某个知识点为中心将知识内涵通过感觉器官传授给学习者的。
The catena product wholly design for transporting definite corrosive medium have granule or crystal , adopt steel pad uhmw - pe to made it . owned excellent resist causticity and reputably resist attrition , structure and design is model of hang arm front - karat , impeller is half karat model no front cover , boost up transit capability of passage . let the granule and impurity of medium pass pump - cavity quickly not to jam
本系列产品专为输送具有一定腐蚀性且含有细颗粒或有结晶的介质而设计，采用钢衬超高分子量聚乙稀模压成型工艺制造，具有优异的耐腐蚀性和卓越的耐磨性能，结构设计为悬臂前开式，叶轮为半开式无前盖板，增强了流道内的通过性，使介质中的颗粒及杂质很快通过泵腔而不会堵塞，轴封为k型氟橡胶密封环外带冷却水套，兼顾了耐腐与耐磨的双重要求。