gas free的用法和样例：
例句
用作形容词 (adj.)
- There are indications of gas sands on record section.
在记录剖面上有含气砂岩迹象。 - Dynamic analysis of gas formation revealed that the resisting force for the capillary tubes in the Upper Paleozoic reservoir was so high that it prevented the remigration of gas.
含气范围内的同一气层连通性较差，气水分布受区域构造控制，局部明显存在边底水，也没有整体活塞式气驱水作用形成的区域性气水界面。
