“恐爪龙类”比如“伶盗龙”，用两条腿走路，食肉，有邪恶的可伸缩的爪。
Deinonychosaurs, such as the velociraptor, walked on two legs, ate meat and had vicious retractable claws.
一种跌落试验机台，包括一支架、一具可上下伸缩的芯杆的气缸、一气爪及一控制电路 。
The invention discloses a dropping tester table, which comprises a support, a cylinder with an up-down telescopic core bar, an air claw and a control circuit.
精密弹簧（压簧、拉簧、扭簧、异形弹簧及电池弹簧等）、USB不锈钢伸缩发条、铜铁铝铆（窝）钉、爪钉/管珠、玩具车轴。
Precision spring(compression/tension/torsion/special-shape/battery spring), USB stainless clockwork spring, copper, iron and aluminum rivet, nail claw/claw pearl, and toy axle.
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