change the tube meaning in Chinese
环内胎
Examples
- By changing the tube into d shape ( semicircle ) , the pallet can fully contact with the tubes ( re . picture 2 ) , the cooling speed can be shortened by the contact surface increased
如果把管子的形状改成d形（半圆形） ，托盘在管子上的接触为平面接触（如图2所示） ，接触面积比圆管大大增加，热量以最快的速度从托盘传至排管并由管内的冷剂蒸汽带走。