The control system serves many functions of auto - operation, manual operation, auto - test valves, autoalarm and emergency stop. 该控制系统能实现造气工段的自动运行 、 手动操作 、 阀位自动检测 、 自动报警和紧急停炉等功能.
Precautions had to be taken to prevent pilfering.必须采取防范措施阻止偷盗行为。You must take all reasonable precautions to protect yourself and your family.你必须采取一切合理的预防措施，保护自己和家人。The Danes had selfconfidence of conquerors, and their se...
She is the student who pronounces best in the class.她是班上发音最好的学生.The teacher pronounces distinctly.老师能清晰地发音.She knows a lot of French words but pronounces them incorrectly.她认识很多法语单词,但发音不准确....