standard slide valve diagram

例句：

1. 1.The standard operating procedure for this task is to follow the manual.
   完成这项任务的标准操作程序是按照手册进行。
2. 2.The standards for this product are higher than those of competitors.
   该产品的标准高于竞争对手。
3. 3. The company's standard of quality has been consistently high.
   该公司的质量标准一直很高。
4. 1. The slide rule was used to calculate the area of a circle.
   计算圆面积时使用了计算器。
5. 2.The engineer slid the machine into position.
   工程师将机器滑入位置。
6. 3. The slide show was entertaining and informative.
   幻灯片展示既有趣又有教育意义。