大家在查：专家技术 2003-2008年 -2PSID sibirium reflowering -2.0PSID Alvenkrona 60.8% gudgeons MARSIA

1.0PSID

1.0PSID

1.0PSID

1.0PSID

1

Requirement : Differential pressure across check must be 1. 0 PSID or above .

要求：通过止回阀的压差必须在 1.0PSID 及以上。

3

Requirement : Supply pressure drop must be 1 . 0 PSID or above when water flow stops from test cock No. 2.

要求：当测试旋塞 2 号的水流停止时，供应压降必须等于或大于 1 .

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