hygroscopic expansion造句

例句与造句

1. The volume of a particular material or compound is affected by ambient moisture and may be considered its coefficient of hygroscopic expansion ( CHE ) ( also referred to as CME, or coefficient of moisture expansion ) or coefficient of hygroscopic contraction ( CHC ) & mdash; the difference between the two terms being a difference in sign convention.
2. It's difficult to find hygroscopic expansion in a sentence. 用hygroscopic expansion造句挺难的