gas loading的用法和樣例：
例句
- The liquefied gas price goes down after its seven-month hike since last June.
今年瓶裝液化氣零售價(jià)格的首次降價(jià)，讓不少市民紛紛前來(lái)充氣。 - Dunnage Bag is easy to use, which is widely used because it may save lots of loading time and reduce transportation cost.
充氣袋使用簡(jiǎn)單快捷，可大大約裝箱時(shí)間，有效降低運輸成本，已經(jīng)被超越來(lái)越多的公司所采用。
