螺钉

lifting screw

起模螺钉

顶板 lifting plate | 起模螺钉 lifting screw | 升降台 lifting table

lifting screw

螺旋起重器拆卸螺钉

lifting-linepropellertheory 螺旋桨升力线理论 | lifting-screw 螺旋起重器拆卸螺钉 | liftingandmovingequipment 升降和平移设备

phillips screw

十字槽头螺钉

phillips driver 十字形螺丝起子 | phillips screw 十字槽头螺钉 | phm 物理加工

phillips screw

十字头螺钉

Nickle-plated screw 电线螺丝 | Phillips screw 十字头螺钉 | Screw driver 螺丝批

semifloating piston pin

固定螺钉式活塞销

full-floating piston pin 半浮式活塞销 C@tqR1'-a | semifloating piston pin 固定螺钉式活塞销 On2^*WM 8 | set screw piston pin 活塞环 @BFXy,-q

pointless screw

平端螺钉

pointing with putty 油灰勾缝 | pointless screw 平端螺钉 | points of the back 背部穴

recalibration screw

重新校准螺钉

recalibration 重新校准 | recalibration screw 重新校准螺钉 | recall and precision curve 检索率与精确曲线

retractable cam

伸缩式碰铁内六角板手内六角螺钉,活动门刀

牐 retractable 可伸缩的,可折叠的 | 牐 retractable cam 伸缩式碰铁内六角板手内六角螺钉,活动门刀 | 牐 retrieval of events 事故补救

rigging screw

紧索螺钉

?帆索图 rigging plan | ?紧索螺钉 rigging screw | ?帆缆工场 rigging shop

rigging screw

装配螺钉

rigging screw 松紧螺旋扣 | rigging screw 装配螺钉 | rigging shop 索具车间

McKenna：麦肯纳(姓氏)

officers n.政府官员, 军官, 警官, 船长vt.指挥 | mckenna 麦肯纳(姓氏) | disappointing adj.使人失望的, 令人失望的

rapid：激流

他们穿过很多美丽的峡谷,绕过无数大瀑布(cataract)、激流(rapid)和瀑布(waterfall). 带着仅有的两艘船,和几乎完全耗尽的给养,剩余的六个人终于到达了维尔京河(Virgin)的摩门教定居点. 这里,是他们一百天探险的终点.