不良箭头贴出缺件位置 Bad arrow posted vacancy location
对于带箭头位置指示器的阀门，在破折号之前加上字母“I”，例如：4423i - 025。
For valve with Arrow Position Indicator, add the letter "I" before the dash separator (e. g., 4423i-025).
小箭头不是尺寸不对就是在错误的位置，抑或是颜色不对。
The little arrows were the wrong size, or in the wrong place, or the color was off.
图中的箭头表示指向内存中下一个节点位置的指针。
The arrows in this diagram represent Pointers to the location of the next node in memory.
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