“ball gate”的概念、定义、翻译、参考文献-科学参考

单词	ball gate
释义	ball gate 挡渣内浇口球顶补缩内浇口
随便看	small internal gear small interrow tractor drill small intestine small ion small-ion combination small irregularities small isolation circle small-kernel variety small knot small land lessor small lapel small larynx small lead block test Small leaf-nosed bat small letter edition small library small lift device small light small light anti-submarine helicopter small-loan company Small long-tongued fruit bat small-lot small-lot manufacture small-lot production small lot production

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。