internal diameter

基本解释

A tube of small internal diameter; holds liquid by capillary action .
一种有很短直径的管道；通过毛细管作用来盛液体。
All tubulars to be picked up must have serial numbers, special features, internal diameter (ID), outer diameter (OD), length and fishing neck, where applicable, recorded in the tally book.
所有的钻具必须有系列号、特征、内外径、长度、打捞颈长度并记录在钻具本上。
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Under the M mode of echocardiography end diastolic left ventricular internal diameter left ventricular posterior wall thickness and interventricular septal thickness were determined.
超声心动描记法为M型模式下测定舒张末期左室腔直径、左室后壁厚度及室间隔厚度及左室射血分数。