Un article trouvé pour ce sujet.
|
|
|
|
|
|
|
|
How long will it take to dig the trench? |
2020-05-06 |
|
Marielena pose la question : If the production rate for hand digging a trench is 1.2 mh/cy, how long would it take for one man to dig a trench 2 feet deep by 1 foot wide by 216 feet long? Penny Nom lui répond. |
|
|
|