压力表的表盘下部都标有精确度级,如1.5,它代表压力表示值误差在±()之间。 A.1 发布时间:2018-09-06 04:05 │ 来源:www.tikuol.com 题型:单项选择题 问题: 压力表的表盘下部都标有精确度级,如1.5,它代表压力表示值误差在±()之间。A.10%B.15%C.20%D.30%
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