短語(yǔ)詞組短語(yǔ)spray lance boom 附裝噴桿spray lance heigh 噴槍槍位extension spray lance [材]接長(zhǎng)管spray lance extension 接長(zhǎng)管Spray lance 1M 槍桿1米spray nozzle of oxygen lance 氧槍噴頭oxygen lance spray head 氧槍噴頭 返回 spray lance