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ball; balling; ball up; balled up | |||
mud drum | |||
balling up | |||
sludging up | |||
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mud drum | |||
| |||
mud drum | |||
| |||
bridge and ball |
泥包: 70 phrases in 9 subjects |
Architecture | 1 |
Bridge construction | 1 |
Chemistry | 1 |
Drilling | 24 |
Economy | 2 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Oil / petroleum | 15 |
Technology | 23 |