下列图形符号中表示液压信号管的是（）。

A . Pt B . Pz C . Ar D . Mz

A . 算法的开始或结束 B . 输入输出操作 C . 处理或运算的功能 D . 判断条件是否满足需求

A . A、R B . B、T C . C、了 D . D、K

A . A、A B . B、B C . C、C D . D、D

A .https://assets.asklib.com/images/image2/2017072116170484808.jpg B .https://assets.asklib.com/images/image2/2017072116170747836.jpg C .https://assets.asklib.com/images/image2/2017072116171026177.jpg D .https://assets.asklib.com/images/image2/2017072116171489377.jpg

A .https://assets.asklib.com/images/image2/201707211620155817.jpg B .https://assets.asklib.com/images/image2/2017072116202886996.jpg C .https://assets.asklib.com/images/image2/2017072116204173007.jpg D .https://assets.asklib.com/images/image2/2017072116205323227.jpg

A . A、LS B . B、MS C . C、MQ D . D、SO

A .https://assets.asklib.com/images/image2/2017070109374532367.jpg B .https://assets.asklib.com/images/image2/2017070109374955095.jpg C .https://assets.asklib.com/images/image2/2017070109375455769.jpg D .https://assets.asklib.com/images/image2/2017070109380387652.jpg

A . 算法的开始或结束 B . 输入输出操作 C . 处理或运算的功能 D . 判断条件是否满足需求

A .https://assets.asklib.com/psource/79421447750043049.png B .https://assets.asklib.com/psource/79681447750054427.png C .https://assets.asklib.com/psource/99771447750067979.png D .https://assets.asklib.com/psource/65781447750080918.png

A . A、FO B . B、FS C . C、FC D . D、QS

A、GB/T B、GB/Z C、GB

A . A、FC B . B、FS C . C、QG D . D、QS

A . COD B . DO C . BOD D . TOD

A . TOC B . DO C . BOD D . TOD

A . A、∥ B . B、∠ C . C、⊥ D . D、〇

A . A.TIC B . B.TdRC C . C.PdC D . D.AC

A . A、WTS； B . B、WS； C . C、WPS； D . D、（＋）WFS。

A .https://assets.asklib.com/images/image2/2017072116143078507.jpg B .https://assets.asklib.com/images/image2/2017072116144868939.jpg C .https://assets.asklib.com/images/image2/201707211615045623.jpg D .https://assets.asklib.com/images/image2/201707211615225203.jpg

A . A、SW B . B、RW C . C、OD D . D、SO

A．5VSB B．STB C．POW_ON D．ADJ

A．TIF B．JPG C．MP D．GIF