久久狼啪_午夜欧美精品久久久久久久国产片_精品偷拍A片综合网站_丰满熟妇影院_一区二日韩久久精品_欧美日本熟女 视频_精品久中文网_人妻丰满熟妇av无码区乱,精品久久久久久无码专区不卡,久久久无码人妻精品无码_涩久久天堂_中文字幕91在线观看_日韩精品久久九_欧美一区二区三区视频播放_久久久久久久久久久久久659,午夜福利理论片高清在线,亚洲日韩欧美综合,天美传媒后妈儿子,免费羞羞午夜爽爽爽视频,国产在线精品一区二区在线看,部毛片片免费观看,亚洲国产av深夜福利,午夜影院视费看,亚洲中文字幕精品无码久久,婷婷成人基地,欧美日韩性生活片,久久爱电影,国产精品户露在线户外直播 ,亚洲欧美国产精品一区,舌头添高潮级毛片,欧美精品亚洲天堂,久久久久久久久麻豆,含羞草传媒免费观看视频,国产成人综合一区二区,国产亚洲精品成人A片麻豆,黄色成人一级片,国产精品久久久久5252,阿娇艳Z门照片无码AV4I ,国产欧美日韩另类专区,福利国产在线

　　The installation of ventilation pipes and components should be carried out in accordance with the conditions of installation of ventilation pipes and dark installation, and it is necessary to have certain conditions. Surface installation or skill installation of pipeline in sandwich should be partly installed in ventilation pipeline engineering and construction, or be examined and painted. In the future, civil engineering technicians and other operations of Shandong ventilation pipeline may damage ventilation duct, air purification system, especially the pipeline pollution if the ventilation duct is installed. For installation of dark pipes, civil construction should be coordinated in time, otherwise the ceiling and wall of civil decoration will be damaged.

　　在施工過程中,特殊人員應該分配給密切合作與土木工程根據土木工程的時間表,以保證預埋件預留孔和鋪設,以避免材料的浪費,對土木工程的質量的影響。上班前一季度的安裝和安裝之前管道系統安裝前準備工作,應進一步驗證管和回(行)風口軸線和標高、等符合設計圖紙,并查看公民預留洞、預埋件的方向符合需求,根據施工計劃決定安排勞動力,和預制分支,懸掛,支架,風管按照施工順序安排運到現場。

　　During the construction process, special personnel should be allocated to cooperate closely with civil engineering according to the schedule of civil engineering, in order to ensure the pre-embedded parts reserved holes and laying, in order to avoid waste of materials and the impact on the quality of civil engineering. Before the installation and installation of the pipeline system in the first quarter of work, the preparatory work before installation should further verify that the axis and elevation of the pipe and return (line) tuyere meet the design drawings, and check the direction of the reserved holes and embedded parts for citizens to meet the requirements. According to the construction plan, the labor force, prefabricated branches, suspensions, brackets and ducts should be arranged according to the construction plan. Sequence arrangement for delivery to site.

　　同時，施工輔助材料(螺栓、螺母、墊片和粘合劑、密封劑等)和必要的安裝材料也都準備好了，根據工作量和系統的多少節進行安裝。

　　At the same time, construction auxiliary materials (bolts, nuts, gaskets and adhesives, sealants, etc.) and necessary installation materials are also prepared, according to the workload and the number of sections of the system for installation.

　　可安裝風管首先需要的東西有:扳手、鋼絲鉗、螺絲刀、鋼鋸、錘子、扁鑿、沖頭、錘子、鋼帶、水平儀、滑輪、麻繩等。

　　The first things needed to install the air duct are wrenches, wire pliers, screwdrivers, steel saws, hammers, flat chisels, punches, hammers, steel belts, levelers, pulleys, hemp ropes, etc.