This thesis conducts a plc-controlled automatic washing system for the rocket propellant stirrer tank .
基于plc的火箭推进剂搅拌罐清洗系统。
Motorized stirrer provides complete circulation without turbulence .
电动搅拌器无动荡提供了完整的循环。
Two most important designs of liquid phase catalytical hydrogenation reactors are introduced : stirrer and heat exchange .
介绍了液相催化加氢反应器最重要的2点设计：搅拌器和换热。
Coffee stirrer wall art : if your daily coffee intake has you dizzy with disposed coffee stirrers , convert them into this coffee stirrer collage from make and do girl .
