指示: 1.(指给人看) indicate; point out2.(指示下级) instruct 短语和例子指示某人做某事 instruct sb. to do sth.3.(指示的话或文字) directive; instructions 短语和例子发出指示 give instructions; 接到指示 receive instructions4.(显示) direction
The shaft also shall have a directional indicator on top to indicate disc position when the handle is removed 阀杆也应该在顶部配置方向指示器，用于当手柄拆卸下来时指示阀瓣的位置。
3.
What system interruption thresholds need to be established when you develop performance metrics to indicate the impact of thresholds on uptime availability 在您开发性能表来指示阀值对正常运行时间的可用性的影响时，该建立什么系统断阀值呢？
