Gravity ball check may be converted for air or gas venting by replacement of standard ball with floater PP ball.

通过用漂浮的PP球更换标准球，重力球形止回阀可以改造为适用于空气或气体排气口。

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Joint: High grade PP, Tube body: Made of Aluminium alloy material, to be 360 swiveled.

关节：高密度PP材质，管路采用铝合金材质，可360度旋转调节方向。

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We hypothesized that fascial displacement in experimental compartments with impaired PP would be significantly greater than that in control compartments with normal baseline PP.

我们假设灌注压受损的实验组筋膜间室的筋膜移位程度明显大于灌注压保持正常基线状态的对照组筋膜间室。

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Meanwhile, Spain's chief state prosecutor has also said that there could be enough evidence to investigate the allegations against the PP, to see if anything illegal has taken place.

BBC: Q&A: Spain's opposition tells PM to go

Spain's chief prosecutor has said there could be enough evidence to investigate the allegations. but the PP has said it will take legal action against those responsible for what it says is a smear campaign, while announcing an internal audit of its finances.

BBC: Spain's PM Mariano Rajoy pledges to battle on