技術(shù)要求：1.當(dāng)轉(zhuǎn)換開關(guān)接通X7時,先正轉(zhuǎn)后反轉(zhuǎn)循環(huán)一次

2.當(dāng)轉(zhuǎn)換開關(guān)接通X10時,先正轉(zhuǎn)后反轉(zhuǎn)循環(huán)二次

3.當(dāng)轉(zhuǎn)換開關(guān)接通X11時,先正轉(zhuǎn)后反轉(zhuǎn)循環(huán)三次

4.當(dāng)轉(zhuǎn)換開關(guān)接通X12時,先正轉(zhuǎn)后反轉(zhuǎn)循環(huán)四次

5.當(dāng)轉(zhuǎn)換開關(guān)接通X13時,先正轉(zhuǎn)后反轉(zhuǎn)循環(huán)五次

歡迎各位指正,謝謝

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