<p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "hiragino="" sans="" gb",="" "microsoft="" yahei="" ui",="" yahei",="" arial,="" sans-serif;="" font-size:="" 17px;="" letter-spacing:="" 0.544px;="" line-height:="" 27.2px;="" text-align:="" justify;="" widows:="" 1;="" box-sizing:="" border-box="" !important;="" word-wrap:="" break-word="" !important;"="">采用符合国标规定检测合格的燃气胶管，连接处必须用专用卡扣锁住；尽量采用硬连接的金属软管连接。