求翻译：6、 护膝护肘等护具, 多层结构, 有效防止硬物刺伤、 划破。外层应采用强度高、 韧性好、 耐磨的 PVC、 TPR(热塑性弹性材料)、TPU (热塑性聚氨酯弹性体材料) 等高分子材料, 内层采用无毒、防水、 抗冲击性好、 轻便的缓冲材料, 固定装置可调节。是什么意思？

6, knee elbow pads and other protective gear, multi-layer structure, effectively prevent a hard object stab, cut. The outer layer should be high strength, toughness, wear-resistant PVC, TPR (thermoplastic elastomer), TPU (thermoplastic polyurethane elastomer material) and other polymer materials, th

6, knee elbow protector, multi-layer structures such as effective prevention, stabbed, 0019 hard objects. The outer layer should be a high strength, toughness is good, abrasion of PVC , TPR (thermoplastic elastomer material), TPU (Thermoplastic polyurethane polymer materials such as polymer material

6th, the kneepad protects equipment maintenances and so on elbow, the sandwich construction, prevented effectively hard stabs, cuts down.The outer layer should use the intensity high, toughness good, wear-resisting PVC, TPR (thermosplastic elastic material), TPU (thermosplastic polyurethane elastome

6, kneepad elbow guard protector, multilayer structure, effectively preventing hard object stabbed, pierced. Outer layer should be used high strength, good toughness, wear-resistant PVC, TPR (Thermoplastic Elastomer), TPU (thermoplastic polyurethane elastomer materials) polymer, inner layer using no

6th, the kneepad protects equipment maintenances and so on elbow, the sandwich construction, prevented effectively hard stabs, cuts down.The outer layer should use the intensity high, toughness good, wear-resisting PVC, TPR (thermosplastic elastic material), TPU (thermosplastic polyurethane elastome