scaffolding
Lifting Pin Anchor Click the blue words above to pay attention to our today’s course, which has prepared for you [full course], [new end in...
10000 kinds of postgraduate entrance examination e-books, question banks and videos can be tried… Grade II constructor’s question bank of construction project construction management [real...
Personnel data 1 Legal person business license, education background, resume, work certificate, 2 1-inch photos and mobile phone number. Three month financial report of the...
Thank you for your understanding and tolerance.. Wire Lifting Loop This course includes 134 research on difficult problems of construction contract disputes 202102 yuan Jishang...
When the drill bit approaches the bottom edge of the casing, slow down and lift it stably to prevent collision with the casing and hook...
It is expected to save you 10000 + hours of data collection and sorting time. Is it an infringement? Is it an infringement for parents...
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IL-4、IFN- γ、 SiGe had no correlation with FEV1 (P & gt; 0.05), IL-4 and IFN- γ、 SiGe had no correlation with PEF (P & gt;...
The hole diameter after trimming or reaming shall not exceed 1.2 times the bolt diameter, and then steel plate cushion block shall be added on...
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