口径portant; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">：DN15-200mm
特点portant; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">：防爆型、调节型、手动功能
