internal design pressure

基本解释

Internal back pressure cross-port design allows both rods to be retracted with the air off to easily clear jammed parts.
內部反壓跨耑口設計使兩棒，與空氣過收廻以輕松地清除堵塞部分。
A nomography used for internal pressure vessel design and collation is provided, the way for the special uses and the range are also introduced .
繪制了內壓容器設計與校核專用圖，介紹了其使用方法及適用範圍。
Unless otherwise agreed in advance, internal static head shall be added to the design pressure to determine the thickness of any specific part of the vessel.
除非提前另外同意，需加設內置靜壓受感器以確定容器特殊部件的厚度。
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