礫石罐 的英文怎麼說
中文拼音 [lìdànguàn]
礫石罐
英文
gravel pack pot-
Then he dumped some gravel in and shook the jar, causing pieces of gravel to work themselves down into the space between the big rock
他把一些砂礫倒進瓦罐,然後搖了搖,這些砂礫便滲進石塊的縫隙中。Pot gravel compaction ficompaction filter unit
雙罐礫石充填過濾裝置
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