目前已在世界上广泛采用的锥形流道有助于生产高品质的锌合金压铸件。
Recently, the widely applied taper runner in the world is favorable for manufacturing of zinc alloy with high quality in die casting.
这个层状火山是由稠密的熔岩流以及火山灰和岩石碎片等喷发物所形成的连续层堆积而成的锥形火山，它位于一个更老的层状火山之上。
The current stratovolcano-a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments-is built on top of an older stratovolcano.
作为美国红阀公司的标准配置，我们可以提供双层(DW)，缩小流道(RP)，以及锥形套管以满足特殊需求。
Along with the standard Red Valve sleeve, we offer Double Wall (DW), Reduced Port (RP), and Cone sleeves for special applications.
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