British standard section 英国标准型钢
standard cross-section 标准横切面
composite standard reference section 复合标准参考剖面
standard stopping cross section [电子] 标准阻止截面
The standard section lifted in the suspension coop can't surpass 2.
吊笼内一次提升标准节不得超过两只。
Install the pillar on the second standard section, and fix it with the screw.
在第二个标准节上端装上顶梁,并用螺栓固定好。
Lift the standard section by the self-install suspension shaft, and install it on the guiding track framework, and connect by the screw.
用自装吊杆吊起标准节,装到导轨架上,并用螺栓联接紧固。
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