可是事情是这样的，她在玩具店工作，我带着我5岁的女儿去买气球，然后我指着“出租氢气瓶”的牌子问出这句话。
She works in a toy shop, I was with my five year old daughter, and was pointing to the sign, "Rent a Helium Tank!" FML.
该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
This meter suit oxygen, ethine, hydrogen and other pressure decompress installment, has decompress and pressure function.
该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
This meter is suit oxygen, ethine, hydrogen and other high pressure decompress installment, has decompress and stead pressure function.
该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
This meter is suit oxygen, ethine, hydrogen and other high pressure decompress installment, has decompress and stead pressure function.
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