Plastic tubes with secure tops are better than glass because they are lighter, and do not break as easily if mishandled.
有密封盖的塑料管比玻璃管好，因为它们更轻，而且如果处理不当也不容易破裂。
Lighter factory owner he Zhanjun who says he is paying 70 percent more this year for plastic than last year is persevering.
打火机厂老板何占军(音)说，他为塑料原料支付了比去年多70%的钱。即便如此，他仍在坚持。
Lighter factory owner he Zhanjun, who says he is paying 70 percent more this year for plastic than last year, is persevering.
打火机厂老板何占军(音)说，他为塑料原料支付了比去年多70%的钱。即便如此，他仍在坚持。
These lighter, stronger composites are made of fibers of carbon or glass embedded in a second material, often plastic.
这些更轻、更牢固的复合材料由碳纤维或玻璃嵌入到其他材料（通常为塑料）制作而成。
The plastic container is five times lighter than that glass one.
这个塑料容器比那个玻璃容器轻六分成之五。
The plastic container is five times lighter than that glass one.
这个塑料容器比那个玻璃容器轻六分之五。
The plastic container is five times lighter than that glass one.
这个塑料容器比那个玻璃容器轻六分之五。
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