您要查找的是不是：
- A convex surface, body, part, or line. 凸面、凸面體、凸面部分或凸線(xiàn)
- There are two breakers in this circuit. 這個(gè)電路里面使用了兩個(gè)斷路器。
- A replaceable printed circuit board. 一種可替換的印制電路板。
- The circuit of the city walls is three miles. 環(huán)繞本市城墻的周長(cháng)是三英里。
- There must be a break in the circuit. 電路中一定有斷路。
- A short circuit will blow the fuse. 短路會(huì )燒斷保險絲的。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。
- A short circuit put the machine out of action. 短路使機器停轉。
- The switches close the contacts and complete the circuit. 這些開(kāi)關(guān)可使接觸器接通電流形成回路。
- Light can be collected with the convex. 凸透鏡具有聚集光線(xiàn)的作用。
- The convex surfaces faces toward the left. 凸面朝左方。
- A convex lens is used to concentrate rays of light. 凸透鏡用于聚集光線(xiàn)。
- A stone tool with a convex side. 龜甲形石斧一邊凸起的石制工具
- Don't connect up the two wires, or there will be a short circuit. 不要把這兩條電線(xiàn)接在一起，否則會(huì )短路的。
- The rocket did one circuit of the earth and returned to base. 火箭繞地球運行一周后返回基地。
- A deep - red garnet, unfaceted and convex. 紅榴石一種深紅色的石榴石，無(wú)刻面呈凸圓狀
- Concave on one side and convex on the other. 一面凹進(jìn)一面凸起的
- Convex on one side and concave on the other. 凸凹的一面凸一面凹的
- The earth takes a year to make a circuit of (ie go round) the sun. 地球繞太陽(yáng)一周需要一年時(shí)間。
- Convex on both sides;biconvex.Used of a lens. 凸凸的兩面部凸的；雙凸面的。用來(lái)指透鏡
