绑在跳跃者踝部的橡皮条很长，足以使跳跃者在空中享受几秒钟的“自由落体”。
The rubber rope tied to the jumper's ankle is long enough to ensure that he or she will enjoy the "free fall" in the air for a few seconds.
橡皮条被拉紧以试验强度。
玻璃防震垫(橡皮条)与型材的结合为装配式结构，无需现场使用胶水等粘接材料湿法作业。
Glass cushion (rubber) and the combination of profiles for prefabricated structure, without the use of glue adhesive materials such as wet homework.
李：纸板箱比较轻，所以便于搬运。纸板箱不会和笨重货物堆放在一起。另外我们会用铁皮条来加固纸板箱的。
Cartons are comparatively light, and therefore easy to handle. they 'll not be stowed away with the heavy cargo. besides, we' ll reinforce the cartons with metal straps.
李：纸板箱比较轻，所以便于搬运。纸板箱不会和笨重货物堆放在一起。另外我们会用铁皮条来加固纸板箱的。
Cartons are comparatively light, and therefore easy to handle. they 'll not be stowed away with the heavy cargo. besides, we' ll reinforce the cartons with metal straps.
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