The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.Catalysts that lowe...
The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.The producing techn...
Carry a notepad and pen or pencil with you to jot down ideas.随身带有记事本和钢笔或铅笔以记下你的主意.Have a pencil and notepad ready.准备好铅笔和笔记本。His lunch did not take long to arrive and found him poring over a notepad covered with scrawls.不...
Most laboratory Methods: Use some type of electromechanical transducers.多数实验方法都使用某种机电换能器.This setup consists of a butterfly valve and a rotary electromechanical actuator.这套装置由蝶阀和旋转电动驱动器组成.Investigates the matching calcul...
...a plaited leather belt.编织皮带Using colorful silk threads , beautiful plaited ornaments are made in a variety of auspicious patterns.色彩斑斓的丝线被编成各式各样的吉祥样式.The simplest rag-rugs are made with strips of fabric plaited togeth...