搜元素提供国外优质的免版权矢量素材资源免费下载，该资源的中文名称是：Pipe with valve vector icon. Hand drawn illustration isolated on white background. Industrial faucet for water, biofuel, gas. Alternative energy, care for the environment. Monochrome sketch，英文名称是：Pipe with valve vector icon. Hand drawn illustration isolated on white background. Industrial faucet for water, biofuel, gas. Alternative energy, care for the environment. Monochrome sketch，该资源由网友上传，提供高速下载。
