例句與造句

1. We are a company for producing mini relay , large power relay , magnetic latching relay , time relay , solid - staterelay , car relay , sensor approach switch , light or electric switch , counter , timer apparatus design , r d manufacture , produce and sales
   公司專業(yè)科研開發(fā)生產(chǎn)銷售小型繼電器，大功率繼電器，磁保持繼電器，時間繼電器，固態(tài)繼電器，汽車?yán)^電器，傳感器接近開關(guān)光電開關(guān)，計數(shù)器計時器等。
2. It's difficult to find approach switch in a sentence. 用approach switch造句挺難的