Precut produce and bagged salads are time-savers .

切成块的农产品，以及袋装沙拉较为省时便利。

You will need to precut quilt squares to do this .

您将需要预棉被广场做到这一点。

I had intended to spend hours a day piecing together the precut quilting squares that came in the quilting kit .

我本来打算花个小时拼合的广场,来到了先前绗缝绗缝套.

Tear strength : it is the force required to tear a paper at a precut edge , to a specific length , and measured in milli-newton . This property is importance for printing , writing and wrapping papers .

撕裂度：把一张事先切一小口的纸，撕开到一定长度所需的力，以毫牛顿计算。这个特性对印刷，书写和包装用纸都很重要。