例句與造句

1. Durometers are commonly used to measure the hardenss of roll covering and heavy plastic films , such as plastisols
   硬度計(jì)一般用來(lái)測(cè)量輥?zhàn)拥谋砻婧秃袼苣z膜的硬度。
2. It's difficult to find roll covering in a sentence. 用roll covering造句挺難的