圆头扣件(办公室用品商店有售)。
Round head fasteners (from office supply store).
youdao
对高层建筑多采用扣件式钢管脚手架。
With fastener type steel tube scaffold in high-rise building.
当然,他们同时也使用机械扣件和焊接。
Of course, they also use mechanical fasteners and welding.
孟村,也已成为中国建筑扣件生产基地。
Mengcun, it has become a production base in China's construction fasteners.
拆卸阀弹簧和扣件。
Remove valve spring and retainer.
扣件要涂油。
Fastener with oil.
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