| |||
pipe welder; pipe welding machine; tube welding machine; tube welding mill; welding mill; pipe .welding machine | |||
pipe-welding machine; tube-welding machine; tube-welding mill |
焊 管机 : 64 phrases in 7 subjects |
Electric machinery | 1 |
Electronics | 2 |
Metallurgy | 39 |
Oil / petroleum | 3 |
Skydiving | 1 |
Steel production | 3 |
Technology | 15 |