The pins in columns 1 and 2 are shorted together, and the pins in columns 3 and 4 are shorted together. This creates an input and output side of the block.是什么意思_The pins in columns 1 and 2 are shorted together, and the pins in columns 3 and 4 are shorted together. This creates an input and output side of the block.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句