锛堝垽鏂锛?/div> J2-7鍨嬪埗鍔ㄦ満鍙樺悜闃€鏌卞鍗℃粸鍚庯紝灏嗗埗鍔ㄩ榾鎵嬫焺绉昏嚦鍒跺姩鏃犳晥鐨勪綔鐢ㄤ綅缃紝鐒跺悗杞昏交鏁插嚮鏁呴殰鍙樺悜闃€浣撱€?(习题)

锛堝垽鏂锛?/div> J2-7鍨嬪埗鍔ㄦ満鍙樺悜闃€鏌卞鍗℃粸鍚庯紝灏嗗埗鍔ㄩ榾鎵嬫焺绉昏嚦鍒跺姩鏃犳晥鐨勪綔鐢ㄤ綅缃紝鐒跺悗杞昏交鏁插嚮鏁呴殰鍙樺悜闃€浣撱€?

A瀵?/p>

B閿?/p>

答案解析