查询词典 switch-board

direction switch：方向开关,升降开关

direction control switch 换向开关 | direction switch 方向开关; 升降开关 | disable switch 禁止开关

double-throw disconnecting switch：双投隔离开关

double-pole double throw switch 双刀双掷开关 | double-throw disconnecting switch 双投隔离开关 | double-throw switch 双投开关; 双掷开关

door switch：门动开关; 门开关

door interlock switch 门锁开关 | door switch 门动开关; 门开关 | double bladed knife switch 双闸刀开关

switch, double-break：双断开关

脱轨转辙器 switch, derailing | 双断开关 switch, double-break | 双极开关 switch, double-pole

switch; double-pole double-throw：双极双向开关

"switch; double pole","双极开关" | "switch; double-pole double-throw","双极双向开关" | "switch; double-pole single-throw","双极单向开关"

switch; double-pole double-throw：双极双投开关

双极开关 switch, double-pole | 双极双投开关 switch, double-pole double-throw | 双极单投开关 switch, double-pole single-throw

switch; double-pole single-throw：双极单向开关

"switch; double-pole double-throw","双极双向开关" | "switch; double-pole single-throw","双极单向开关" | "switch; emergency","紧急开关"

switch; double-pole single-throw：双极单投开关

双极双投开关 switch, double-pole double-throw | 双极单投开关 switch, double-pole single-throw | 双投开关 switch, double-throw

switch, double-throw：双投开关

双极单投开关 switch, double-pole single-throw | 双投开关 switch, double-throw | 备急开关 switch, emergency

switch baseplate：开关底板

switch bank 转换开关组 | switch baseplate 开关底板 | Switch Bill of Lading 交换提单

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.