镀锌螺钉 | |
mech. | zinc-coated screw |
接头 | |
automat. | connector |
hydroel.st. | joint |
met. | adaptor; connection; joint connection |
water.res. | coupling |
| |||
zinc-coated screw | |||
galvanized mild steel drive screw; galvanized screw |
镀锌螺钉: 10 phrases in 1 subject |
Technology | 10 |