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Terms for subject Explosives and Explosive Ordnance Disposal containing preparatory | all forms | exact matches only
| English | Chinese |
| preparatory reserves | 准备储量 |
| preparatory roadway | 准备巷道为准备采区而掘进的主要巷道，如采区上、下山、采区车场等 |
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| English | Chinese |
| preparatory reserves | 准备储量 |
| preparatory roadway | 准备巷道为准备采区而掘进的主要巷道，如采区上、下山、采区车场等 |