The general developing situation of compressed natural gas (CNG) technology is introduced in this paper.

压缩天然气（CNG）是专用于汽车替代汽油的燃料。

youdao

The general developing situation of compressed natural gas (CNG) technology is introduced in this paper.

压缩天然气（CNG）是专用于汽车替代汽油的燃料。

youdao