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【单选题】
使用“墨水瓶工具”不能改变线条的( )属性?A.
线条形状
B.
笔触样式
C.
笔触高度
D.
笔触颜色
拍照语音搜题，微信中搜索"皮皮学"使用
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【多选题】下面关于S7-200系列PLC的脉冲输出指令的叙述中对的是: ( )
A.
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B.
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C.
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D.
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