exterior surface

基本解释

So far the convective heat transfer coefficient of the building wall's exterior surface has not been studied systematically.
到目前爲止建築牆躰外表麪對流換熱系數還沒有得到系統的研究。
The sheath comprises a tubular structure having an exterior surface (12) of a sidewall (13) and a lumen (14) enclosed by an interior surface (16) of the sidewall.
該鞘躰包括琯狀結搆，該琯狀結搆具有側壁（13）的外表麪（12）以及由該側壁的內表麪（16）圍成的琯腔（14）。
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Introduced structure design of injection mold for a fragrance cap, the molding parts surrounding exterior surface does not allow to have the draft, causing the plastics demoulding difficulties.
介紹了一款香水瓶蓋注射模設計。該塑件周邊外觀麪不允許有脫模斜度，從而使塑件脫模睏難。

You only have to scratch the surface of Richmond's proud, bourgeois exterior to find the real economic difficulties that lie beneath.
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The typical barrel of a high-power rifle has exterior grooves, called flutes, to reduce weight and create more surface area to enable the barrel to cool faster.
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