seam protection 中文意思是什麼

seam protection 解釋
補位
  • seam : n 1 縫；線縫。2 介面；接縫；接合處；接合線。3 裂縫。4 （臉上的）皺紋。5 傷痕。6 【造船】（船板間...
  • protection : n 1 保護，保衛，防禦，掩護，包庇，照顧 （from; against）。2 保護者，防護物 （against）; 〈美俚〉...
  1. The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no. 2 dark tilt well in huaibei coal mine area are introducded. they include small section enlarged after the heading caving, high negative pressure and multi - raw drilling holes and strenous drawing - off, concentrated cross drill holes, cutting while drawing - off and putting the metal frame away

    介紹了淮北礦區蘆嶺煤礦2主暗斜井採用小斷面導硐后刷大、高負壓多排鉆強抽，密集交叉鉆孔邊掘邊抽及設置金屬骨架施工方法和防突措施揭穿高突特厚松軟煤層。
  2. Similar simulation study of pressure - relief protection angle during extraction of long - interval lower protective seam

    開采遠距離下保護層卸壓保護角的相似模擬研究
  3. A system for the weld power source was established with digital signal processor ( dsp ), and variable polarity power supply output, high - frequency pulse current, protection and process control were fulfilled with the software all, and modulate low frequency pulse current by means of amplitude modulation, through which it could also control the shape of weld seam like the low frequency pulse current welding

    在模擬控制器基礎上引入了dsp數字控制技術，用軟體編程實現了電源的變極性輸出、高頻脈沖電流的疊加及保護和電源的時序控制，使之能夠在大尺度上調制出低頻脈沖，控制焊縫成形。
分享友人
分享到 Line

分享到臉書