“drive shoe”的概念、定义、翻译、参考文献-科学参考

单词	drive shoe
释义	drive shoe [`drīv ´shü] ^{DESIGN ENGINEERING} A sharp-edged steel sleeve attached to the bottom of a drivepipe or casing to act as a cutting edge and protector.
随便看	secular acceleration secular determinant secular equilibrium secular parallax secular perturbations secular trend secular variable secular variation secund secundine dike secure secure visual communications secure voice securinine securite explosive security security classification security clearance security control officer security kernel security reporting/alerting system SED sedation sedative Sedentaria

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