型号：VP3145/3165/3185
・阀的容量大，排气阻力小。・N.C./N.O.切换简单。
<option id='1aaby'></option><select id='1aaby'><span id='1aaby'><form id='1aaby'></form></span><dd id='1aaby'></dd></select><dt id='1aaby'></dt><style id='1aaby'><big id='1aaby'><i id='1aaby'></i><tbody id='1aaby'></tbody></big></style><abbr id='1aaby'></abbr>
