机械扩管 | |
met. | mechanical expanding |
装置 | |
gen. | installation |
hydroel.st. | setting; appliance |
met. | arranger; assembly |
rem.sens. | accommodation |
sport. | facility |
| |||
mechanical expanding | |||
mechanical expanding of pipe |
机械扩管 : 3 phrases in 1 subject |
Metallurgy | 3 |