英语翻译

题目

英语翻译
Mold shall have adjustable side-surfaces enabling the mold to be pulled open wider or made narrower,to compensate for product shrinkage as needed by nacelle supplier to keep serial product within tolerances.
请问这句话中adjustable side-surfaces 和to be pulled open wider or made narrower具体是什么意思 这个很关键。按常理模具不可能与可调节的侧边呀？

答案

模具具有可调的侧边,能使模开宽一些或者使缩小一点,对于缩水的产品需要nacelle 供应商来补一下,以确保产品在公差内.