- 相关词组
- single switch call单接电话交换呼叫
- single-break switch单断开关
- single-pole knife switch单极闸刀开关
- single throw switch单掷开关
- single-pole enclosed fused switch单极保护式负荷开关
- single-pole three throw switch单极三投开关
- single switch单极开关
- single-ploe single-throw switch单刀单掷开关
- slack cables switch钢绳松弛开关
- single-pole double throw switch单刀双投开关;单刀双掷开关
- slack-rope switch钢丝绳松弛自动断电开关
- single-pole distribution switch单极分路开关
- single-pole single throw switch单极单投开关
- slate switch panel石板面配电盘
- slant-range-altitude switch斜距高度转换开关
- single-way switch单向开关
- single-phase protective branch switch单相保护式分路开关
- single-pole switch单刀开关;单极开关
- single step switch单步开关
- single-pole mercury switch单极水银开关
- 今日热词
- 热门搜索
- steak n.牛排;碎牛肉;鱼片;
- miss you much 想念你；想念您；挂念你
- they pron. 他/她/它们;人们，大家;政府，当局;她们;
- momenta n.动量;动力;推进力;势头;冲力momentum的复数
- cantaloupe n.罗马甜瓜，香瓜，哈密瓜;
- thunderstorm n.雷电交加的暴风雨;大雷雨;雷雨;雷暴;雷雨交加
- ivory n.象牙;象牙制品;象牙色;象牙质;;(某些其他动物的)长牙adj.象牙制的;乳白色的
- headteacher n.中小学的校长;
- take easy 放轻松;
- roast v.烤;焙;曝晒;非常生气;adj.烤熟的;
- sea n.海（洋）;海面情况;大量;
- allow vt.允许;给予;准许（做某事）;
