A、在操作面一侧安装选择阀操作手柄,当安装高度超过1.5m时,要采取便于操作的措施
<span style="display: inline !important; float: none; background-color: transparent; color: rgb(0, 0, 0); 微软雅黑","helvetica neue","hiragino sans gb"; font-size: 14px; font-style: normal; font-variant: normal; font-weight: 100; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">A错误,因为在操作面一侧安装选择阀操作手柄,当安装高度超过1.7m时,要采取便于操作的措施。