Stand as shown (see Fig. 2) with the cylinder valve between you and the regulator.

站得象演示得那样（见图2），使钢瓶阀门在你和调整器之间。

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Stand clear of the regulator and valve outlet, while opening the valve.

开启阀门时，躲开调整器和阀门排气口。

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Stand clear of the regulator and valve outlet, while opening the valve.

开启阀门时，躲开调整器和阀门排气口。

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