橡胶层石棉绳密封 rubber-coated asbestos-cloth packing
橡胶保护层 rubber cover
垫层橡胶 cushion rubber ; cushion ply ; cushion n rubber
双层橡胶软线 double rubber flexible wire
氯丁橡胶涂层织物 neoprene coated fabric
橡胶衬层卡瓦 rubber bonded slips
层状橡胶弹簧 [机] Laminated rubber spring
氯丁橡胶涂层 neoprene coating
防水涂层橡胶 waterproofing coating rubber
电线不能相互接触，必须包上橡胶层绝缘。
The wires must be insulated from touching each other with a rubber covering.
中间层优选由合成橡胶层制成。
The middle layer is preferably made of a synthetic rubber layer.
顶层与合成橡胶层的第一侧同延并固定到该第一侧。
A top layer is coextensive with and secured to the first side of the synthetic rubber layer.
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