methane tank

• 沼气桶,沼气池

methane tank的用法和样例：

例句

1. However, due to the low temperature in winter, the rate of gas production in the marsh gas tank becomes lower, even the marsh gas tanks are frosted.
   但我国北方冬季气温低，导致沼气池产气率低，甚至出现冻裂池体等现象。