例句與造句

1. These were used by a new Crown enterprise, Polymer Corporation created in 1942, and associated private companies, St . Clair Processing Corporation Ltd ., Dow Chemical of Canada Ltd ., and Canadian Synthetic Rubber Ltd ., itself a subsidiary of four Canadian rubber companies, Dominion, Firestone, Goodyear and Goodrich, to produce both GR-S and butyl type synthetic rubber.
2. It's difficult to find dow chemical of canada ltd in a sentence. 用dow chemical of canada ltd造句挺難的