To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction
混凝土縫面處理採用高壓水流沖毛技術，大大提高了施工工效，減少了倉面污染；模板工程大量採用定型鋼模板施工技術，提高了壩體混凝土成型質量和工程進度；在二期混凝土施工區域，為免除人工鑿毛勞動強度，採用永久性免
拆金屬模板網作為一期混凝土模板；鋼筋連接改進傳統的電
焊連接方式，採用大量採用鋼筋接頭機械連接技術，有效提高了接頭強度和鋼筋連接速度，施工安全性大大加強，質量穩定性有效提高，經濟成本大大降低；三峽二期工程持續高強度混凝土施工系統工程的研究，使三峽工程成為名符其實的「世界一流工程」成為可能；三峽二期工程混凝土溫控綜合技術的應用，有效降低了壩體混凝土溫度的產生；混凝土表面處理及裂縫處理技術的應用，提高了建築物的整體性和耐久性。
Bpec handrail, a new type compositive handrailing which hollow ball, metal stucture, its stanchion is set up with several metal hollow balls and pipc through welding, the composition at worksite is very simple and easy without any welding, economic & fine outlook, stable, convenient for installing and separaing
博佩克欄桿是一種新型的空心球金屬結構組合式欄桿，立柱由若干個金屬空心球和同一材料的金屬管通過
焊接成為柱子；扶手，橫桿與立桿採用現場組裝，可不用
焊接，具有經濟美觀，安裝及
拆卸簡便，牢固耐用的優點。
Overall design of soldering and smd / bga desoldering function
全面性維修設計，包括
焊接及smd / bga
拆焊雙功能。
Adopted non - touch desoldering technology avoids damage of circuit board
利用非接觸式
拆焊吸錫技術，使線路板免受損壞。
A thermal relief is used on plane layers for thru - hole components to make soldering and desoldering easier
限熱槽通常用於直插元件的內電層以利於
焊接和
拆焊。
Unique joint start function with 852d + desoldering station and 863e preheater has same step heating to protect pcb and bga
獨設聯機開啟功能， 852d +
拆焊機與863e預熱臺同步發熱，保護pcb及bga 。
Direct connect vias conduct so much heat away from the pin and into the plane that high temperature or long soldering time may be required to complete the joint - thermal damage could occur to both the board and the component from soldering or desoldering
在
焊接時，直接連接的過孔會通過引腳把大量的熱傳導至內電層，因此完成
焊接就需要很高的溫度或者延長
焊接時間，這就會導致在
焊接或
拆焊時發生電路板或元件的損壞。
I talked to someone who did it, by taking apart and desoldering a usb to serial adapter to connect the kuro box s 3. 3 volt, inverted, serial signals to another chip that used these - and soldered the missing resistor onto the kuro box s motherboard
我與某個曾經這樣做的人聊過，他將機器
拆開，把usb
拆換為串列適配器來將kuro box的3 . 3伏電壓串列信號反向連接到使用這些信號的另一個晶元並將缺少的電阻器
焊接到kuro box的主板上。
Resistance spot welding electrode caps
電阻點
焊電極可
拆端
Unique joint start with option sunkko 852d + / 852d intelligent programs rework station
獨有與星光852d + / 852編程
拆焊臺聯機開關功能。
Unique joint start function with option sunkko 852d + / 852d intelligent programs rework station
獨有與星光852d + / 852編程
拆焊臺聯機開關功能。
Vacuum pen device is used to lift up and place bga from / on mainboard to meet bga non - touch nature
真空吸放筆裝置，實現零作用力吸放功能，符合bga免觸的特性，無損
拆焊的組件。
Unique built - in sucker is used to lift up and place bga from / on mainboard to meet bga non - touch nature
獨有內置真空吸盤裝置，實現零作用力吸放功能，符合bga免觸的特性，無損
拆焊的組件。
Detail specification for multi - contact circular electrical connectors for d. c. and low frequency applications - bayonet coupling non - barrier sealed, environment resistant with rear insertable, rear release, rear removable crimp contacts also barrier sealed with non - removable solder contact styles - full plus airframe fit assessment
直流和低頻用多觸點圓形電氣連接器詳細規范.帶后可插入后釋放后可
拆卸壓接觸點的無檔板密封耐環境影響及帶不可
拆卸釬
焊觸點的擋板密封卡口接頭.全面附加機體配件評估
Type nhss wire rope pulling hoist is widely suitable for use in bridge - construction, laying of large - size pipes, installation and adjusting of machinery an electric apparatus, and large reaction tower of petrochemical industry ; the installation and alignment of storage tanks ; erecting, fitting, welding and alignment of masts, steel concrete timber structures ; laying and translocating of rails and sleepers ; loading and unloading bulky heavy goods during transportation. cable tensioning ; demolishing of gallery supporting logs ; stacking forrestry wood ; and othersimilar cases. the hoist of this series is especially suitable for use in narrow working sites of limited space, where the job is high above the ground or in open air places, in tunnel of deep well, where no power for traction or lifting is available
Nhss型鋼絲繩手扳葫蘆可廣泛用於建築施工、大型管道鋪設、機電設備和石油化工大型反應塔、儲罐的安裝、校準、鐵塔及其它鋼木結構的豎立、拼裝
焊接、校準、鐵軌、枕木的鋪設、移位、交通運輸中笨重貨物的裝卸、電線張緊、坑道支撐木的
拆除、林區木材的集放等等，對于局部空間受到限制的狹窄工作場所、高空作業、野外作業、坑道、深井作業和無機電供能場所的各種牽引、提升作業、選用本系列產品尤為適宜。
The specifications and techniques involved in the operating of microcircuits, such as forming of outgoing lines, tin plating, brazing assembling and disassembling of microcircuits, and interference protection measures are detailed in this paper
從微電路引出線成形、鍍錫，微電路的釬
焊、安裝、
拆裝，以及微電路的抗干擾防護等操作工序，闡述了有關俄產微電路使用的工藝技術、操作技巧和建議規定
Abstract : the specifications and techniques involved in the operating of microcircuits, such as forming of outgoing lines, tin plating, brazing assembling and disassembling of microcircuits, and interference protection measures are detailed in this paper
文摘:從微電路引出線成形、鍍錫，微電路的釬
焊、安裝、
拆裝，以及微電路的抗干擾防護等操作工序，闡述了有關俄產微電路使用的工藝技術、操作技巧和建議規定
Remove union connections before sweating
在焊接之前要拆卸管接頭。
