Always depressurize a regulator before closing the adjusting knob and removing the regulator from the cylinder.
在闭整钮和从钢瓶断开整器之前,总整器减压。
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Used as a fastener or as a force modifier, the screw is kind of like a wedge wrapped around a cylinder.
螺丝通常紧固件或力的调整器,它有点像缠在圆柱体上的楔子。
That minus 1 is our adjuster so that we don't underestimate.
负 1 是我们的调整器,因此我们不会低估。
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