【中文版】

在进行现货铝的交易时，投资者需要观察不同的技术指标和线图来做出决策。其中，最常见的是均线图和趋势线图。

均线图是反映现货铝价格历史走势的重要图表。通过观察不同时间周期的均线，投资者可以了解价格的趋势和当前市场的情况。一般来说，短期均线如5日均线与长期均线如20日均线、60日均线等会形成金叉或死叉，为投资者提供买入或卖出的信号。

趋势线图则是通过画线的方式将价格的高点和低点连接起来，从而形成上升趋势线或下降趋势线。投资者可以根据趋势线的走向判断市场未来的走势，并在此基础之上制定相应的交易策略。当现货铝价格突破趋势线时，往往意味着市场趋势发生改变，此时投资者需要密切关注市场动态并做出相应的调整。

除了均线图和趋势线图，投资者还需要关注其他技术指标如RSI、MACD等来辅助判断市场走势。不同技术指标的组合使用可以帮助投资者更全面地了解市场情况，提高交易的准确性。

总的来说，观察均线图和趋势线图是现货铝交易中非常重要的环节。通过这些技术指标的综合分析，投资者可以更好地把握市场动态并做出明智的投资决策。

【英文版】

When trading spot aluminum, investors need to observe different technical indicators and charts to make decisions. Among them, the most common are moving average charts and trend line charts.

Moving average charts are important charts reflecting the historical price trend of spot aluminum. By observing different time periods of moving averages, investors can understand the trend of prices and the current market situation. Generally speaking, short-term moving averages such as 5-day moving average and long-term moving averages such as 20-day moving average, 60-day moving average, etc., will form golden cross or dead cross, providing buy or sell signals for investors.

Trend line charts are drawn by connecting the high and low points of the price, thus forming an ascending trend line or descending trend line. Investors can judge the future trend of the market based on the trend line and formulate corresponding trading strategies. When the spot aluminum price breaks through the trend line, it often means that the market trend is changing. At this time, investors need to pay close attention to market dynamics and make corresponding adjustments.

In addition to moving average charts and trend line charts, investors also need to pay attention to other technical indicators such as RSI, MACD, etc., to assist in judging market trends. The combination of different technical indicators can help investors more comprehensively understand market conditions and improve the accuracy of trading.

Overall, observing moving average charts and trend line charts is a very important part of spot aluminum trading. Through the comprehensive analysis of these technical indicators, investors can better grasp market dynamics and make informed investment decisions.