It was found that the import polypropylene copolymers were random ethylene and propylene copolymers with long line chain polyethylene.

结果表明，进口共聚聚丙烯涂覆料是含有聚乙烯长直链的乙丙无规共聚聚丙烯。

youdao

To represent that chain of events, a long line of oversized, brightly painted dominoes has been set up running for one-and-a-half kilometers in an area where the Wall once stood.

VOA: standard.2009.11.09

The brand, first created in 1953 as a knitwear workshop in Gallarte, Italy, has expanded from apparel to housewares, a fragrance line and a chain of hotels.

CNN: STORY HIGHLIGHTS

Last year, recognizing that prepared foods were a big hit and lucrative, the chain introduced a line of pizza pockets and doughnut holes.

FORBES: Inconvenience

Engaged factory workers pull the chain to stop the entire line when they notice a defect.

FORBES: The Difference Between Happiness and Engagement at Work