在下列PLC图形符号中,表示控制阀体为旋塞阀的是()。
A .https://assets.asklib.com/images/image2/2017072115004464122.jpg
B .https://assets.asklib.com/images/image2/2017072115010158853.jpg
C .https://assets.asklib.com/images/image2/2017072115014171333.jpg
D .https://assets.asklib.com/images/image2/2017072115020567686.jpg