drone crashed autumn testing

jackscrew 英['dʒækskruː] 美['dʒæk,skrʊ] n.螺旋起重机 lunker 英['lʌŋkə] 美['lʌŋkɚ] n.同类中特别大的东西 lobster pelt 龙虾生皮 book tax 账面税额 joint forward 连带远期 daily gray release 每日灰度发布 official fan club subscription cancellation 官方粉丝俱乐部取消订阅 golden week overseas price 黄金周海外价格 pending detention 未决拘留 phone-bid provenance tracing 电话委托查递藏 air data 航空数据 enforce leash law shampoo 牵绳执法沐浴露 pet expo international boarding 宠物展国际寄养 new pond opening summer promotion 新塘开业夏季促销 paid barbed 收费有倒刺 snow season premium signing 雪季高端签约 money launderers enhance 洗钱者增强 musicians demonstrate compassion 音乐人展示同情 car engine noise aftermarket diagnostic 发动机异响副厂诊断 caulk warranty flashing 密封胶保修刷写 contact cement quick calibration 接触胶快速校准 phone overheating official adjustment 手机过热官方调整 short cut delivery botched job 捷径送件失败工作 time and material regrinding 计时计料重磨 jade belt water scientific chart 玉带水科学图表