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没有硬性区分,要看具体情况而定。 1、in表示地点: (1)用于指较大的地方(大范围,如城市,省,国家)。 (2)虽然是 … Be located on 强调垂直位置,位于物体或地点的表面或顶部。be located in 强调内部位置,位于物体或地点的内部或边界 … Be good for、be good with、be good to、be good at的区别主要是be good 后面介词不同,意义也不同,用法也有不同。具 … · 电气图中ap、 al、 ale、 at、 aw各表示什么一、电气图中ap、al、ale、at、aw的含义1.