为了减少或消除粗纱前、后排纱条应捻陷而引起的意外伸长及前、后排伸长差异,在粗纱机上采用()以降低细纱的重量不匀。
参考答案:假捻
The teacher suggested that the dictionary ______ at once .
A.be referred to be bought
B.be referred to being bought
C.referred to being bought
D.referred to be bought
我国利润表采用的是( )结构。
A.复杂式
B.简单式
C.单步式
D.多步式