<span><span style、" font-family: 宋体;">动力装置</span></span>
<span><span style、" font-family: 宋体;">集水总管</span></span>
<span><span style、" font-family: 宋体;">井管</span></span>
<span><span style、" font-family: 宋体;">空气压缩机</span></span>
<span><span style、" font-family: 宋体;">水泵</span></span>