长扣套管 | |
tech. | long thread casing |
丝扣 | |
dril. | thread |
有效长度 | |
archit. | action length |
busin. | serviceable length |
el. | usable length |
eng.geol. | active length |
met. | effective length; rolling length |
telecom. | working length |
| |||
long thread casing |
长扣套管 : 5 phrases in 1 subject |
Technology | 5 |