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　　1.通風和空調是將室外新鮮空氣和室內回風先處理為滿意溫度，濕度和新鮮度要求的空氣，然后再處理為不滿意溫度，濕度和濕度要求的空氣的全進程。新鮮度回來運用空間并排放到大氣中。為了完結空氣的進出運送，只需通過風道來完結。一般來說，這些風管大多由鍍鋅板制成。

　　1. Ventilation and air conditioning are the entire process of processing outdoor fresh air and indoor return air into air with satisfactory temperature, humidity, and freshness requirements, and then processing it into air with unsatisfactory temperature, humidity, and humidity requirements. Freshness is utilized to utilize space and released into the atmosphere. To complete the transportation of air in and out, it only needs to be done through air ducts. Generally speaking, these ducts are mostly made of galvanized sheet metal.

　　2.因為鍍鋅板資料，加工機器和東西，運送和設備的局限性，體系的風道由許多部分組成，每個部分一般不逾越2m。為了聯接它們，有必要在兩個風管的接頭處樹立一個接頭。過去，傳統辦法是在每個風道的兩頭鉚釘兩個角鋼法蘭。聯接風管時，兩個風管的規范相同。螺栓孔對應的法蘭上應擰上螺栓，以抵達風管聯接的意圖。依據當時的規范和閱歷，每米周邊接頭需求2m以上的角鋼，7套螺栓，9個鉚釘和1m密封墊。

　　2. Due to the limitations of galvanized sheet materials, processing machines and materials, transportation and equipment, the air duct of the system consists of many parts, each of which generally does not exceed 2 meters. In order to connect them, it is necessary to establish a joint at the junction of the two air ducts. In the past, the traditional method was to rivet two angle steel flanges at both ends of each air duct. When connecting air ducts, the specifications for both ducts are the same. The flange corresponding to the bolt hole should be screwed with bolts to achieve the intention of connecting the air duct. According to the regulations and experience at that time, each meter of surrounding joints required more than 2m of angle steel, 7 sets of bolts, 9 rivets, and 1m of sealing gasket.

　　3.為了改變這種狀況，咱們選用通用的板彎法蘭，并運用兩個風管接頭相互咬合，并楔入中心件以聯接風管。

　　3. In order to change this situation, we choose a universal bent flange and use two air duct joints to interlock with each other, and wedge the center piece to connect the air ducts.

　　4.依據現場風管的巨細和形狀，將其輸入核算機并由程序軟件進行操控。

　　4. Based on the size and shape of the on-site air ducts, input them into the accounting machine and control them through program software.

　　5.從事各種室內外通風管道，鍍鋅板通風管道，中央空調通風管道，消防排煙通風管道，集塵凈化管道，不銹鋼通風管道，螺旋風管，不銹鋼螺旋風管，玻鎂風管，玻鎂復合風管，火克板通風管道，通風工程，人防通風管道，人防工程，凈化通風工程，凈化風管，硅酸鈣板風管，環保通風管道，抗震支架，消聲器，靜壓箱，各種風機，風閥等通風管道設備的制作與安裝廠家，數控激光切割機等大型生產設備.

　　5. Engaged in the production and installation of various indoor and outdoor ventilation ducts, galvanized sheet ventilation ducts, central air conditioning ventilation ducts, fire smoke exhaust ventilation ducts, dust collection and purification ducts, stainless steel ventilation ducts, spiral ducts, stainless steel spiral ducts, glass magnesium ducts, glass magnesium composite ducts, fire-resistant sheet ventilation ducts, ventilation engineering, civil air defense ventilation ducts, civil air defense engineering, purification ventilation engineering, purification ducts, calcium silicate board ducts, environmentally friendly ventilation ducts, seismic brackets, mufflers, static pressure boxes, various fans, air valves and other ventilation duct equipment, as well as large-scale production equipment such as CNC laser cutting machines

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