hook hole 中文意思是什麼
hook hole
解釋
鉤洞-
The precautions for the underwater concrete reinforcing cage up - floating accident is placing the reinforcing cage in the pile hole center, controlling the embedded depth of conduct pile, concrete casting velocity and conduce pipe drawing velocity, mixing fine quality concrete, adding barbed bar and specialized refincing cage hanger hook
採用對策是注意保證灌注導管位於鋼筋籠中心,控制導管埋深、灌注速度及提升導管的速度,配製品質好的混凝土,以及採用「倒剌」方法和專用吊鉤等預防措施。 -
Flat steel hook uses en362 standard, the tensile strength is 22kn, the opening is 19mm and the round hole s diameter is 22mm
扁鋼鉤扁鋼鉤,採用en362標準。抗拉強度22kn ,開口19mm ,圓孔孔徑22mm表面鍍鋅。
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