Comments: Although these valves are the best available, they still require trained operators and good procedures to provide maximum benefit.
评论：尽管这些阀门是现有最好的，它们仍然要求经过训练的操作员和良好的程序来发挥最大的作用。
The preceding chapter provided a rough indication of priorities that could be used for accident minimization, and use of good procedures comes last.
前面章节粗略阐述了减小事故的优先方法，而程序手段居于末位。
The preceding chapter provided a rough indication of priorities that could be used for accident minimization, and use of good procedures comes last.
前面章节粗略阐述了减小事故的优先方法，而程序手段居于末位。
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