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tightening bolt
cast.iron. 风口拉杆
compr. 绷紧螺栓
met. 拉紧螺栓; 【铁】风口拉杆
tech. 固紧螺栓; 紧固螺栓
tightening bolt
: 8 phrases in 5 subjects
Automobiles1
Aviation2
Electric machinery3
Hydroelectric power stations1
Oil / petroleum1