短语词组短语bulk stretch yarn 膨体弹力纱;膨体弹力丝bulk staple yarn 高膨体短纤纱bulk strech yarn 膨体弹力纱bulk glass yarn 玻璃纤维膨体纱high -bulk yarn 高蓬松纱bulk stretch silk yarn 膨体弹力真丝staple fibre bulk yarn [纺]短纤维膨体纱 返回 bulk yarn