求翻译：脚手架应由架子工严格按规范搭设，搭设前进行安全技术交底，脚手架主要受力杆件材质应一致，严禁钢木混用是什么意思？

Scaffolding erection by Jia Zigong strictly according to specifications, safety technical tests prior to erection, the main force bar scaffold material should be consistent, non-wood mix

scaffolding should be strictly according to the specification and airs, set up by former for security technology to the bottom edge, scaffolding rods mainly affected by material should be strictly prohibited, and a steel-wood mixed with

Front the scaffold should put up strictly by the rack labor according to the standard, puts up carries on the safety work to give the low-down, the scaffold main stress member material quality should be consistent, forbid strictlys the steel woodenly mixing with

Scaffolds should be strictly according to norms setting by shelf workers, before setting security technology gives the low-down, scaffold material of main stress bars should be consistent, no steel-wood mix

Scaffolding erection by Jia Zigong strictly according to specifications, safety technical tests prior to erection, the main force bar scaffold material should be consistent, non-wood mix