av无码一区二区久久_99九九久精品视在线观看视频_美女一级a裸片免费_日本在线不卡αv免费视频

    <ol id="r67ht"></ol>
  1. <big id="r67ht"><legend id="r67ht"><abbr id="r67ht"></abbr></legend></big>

      Metal Non-articulated Roof Beam

      • 型號(hào)Metal Non-articulated Roof Beam
      1. Detailed information

      Metal Non-articulated Roof Beam

      Main Parameters

      Spec. & Model

      Length (mm)

      Beam Hardness (HB)

      Monospar Load (KN)

      DFB

      1400、1600、1800— 40004200、4400

      300350

      ≥300

      Standard

      Coal Industrial Standard of the PRC. MT30-2000 Metal Top Beam

      Use

      Non-hinge joint beam, together with single hydraulic prop and metal friction support can be used for working face support, tip support, tunnel support and advance support, easy to install and convenient to use.

       

      双城市| 沁阳市| 成都市| 山西省| 新疆| 赤城县| 孝昌县| 五大连池市| 都兰县| 常宁市| 客服| 泸水县| 黄梅县| 崇文区| 久治县| 衢州市| 乐亭县| 河北省| 静海县| 竹山县| 鲁山县| 福海县| 卓资县| 沙洋县| 常州市| 文山县| 五莲县| 潼关县| 梅河口市| 旺苍县| 汕头市| 闽侯县| 盘山县| 东光县| 樟树市| 汾阳市| 孟村| 友谊县| 镇宁| 柘荣县| 广丰县|