您要查找的是不是：
- principal elastic axis 主彈性軸
- If this load centroid is behind the elastic axis of the wing structure, then a nose-down twist of the main wing surface results. 如果該載荷重心在機翼結構彈性軸之后，則引起主機翼表面前端向下的扭轉。
- The broke the door in with axes. 他們用斧子劈開(kāi)了門(mén)。
- My wages are the principal source of my income. 薪金是我收入的主要來(lái)源。
- The principal shareholder ask for a meeting. 主要股東們要求召開(kāi)會(huì )議。
- The agent spoke on behalf of his principal. 代理人代表他的委托人說(shuō)話(huà)。
- The heavy ax was awkward to use. 這把重斧頭不好用。
- Keys are available on application to the principal. 向校長(cháng)申請就可得到鑰匙。
- She's been downgraded (from principal) to deputy. 她已(從校長(cháng))降為副校長(cháng)。
- The firemen splintered the door with an ax. 消防隊員們用斧頭將門(mén)砸開(kāi)。
- It snapped back like a piece of elastic. 它像一條橡皮帶那樣迅速彈回。
- Our principal problem is lack of time. 我們的主要問(wèn)題就是缺少時(shí)間。
- The man cleft a block of wood in two with an ax. 那人用斧頭把一塊木頭劈成兩半。
- She drank in every word of the principal's lecture. 她全神貫注地聽(tīng)校長(cháng)演講的字字句句。
- John got the ax from Mary-they won't see each other again. 約翰被瑪麗拒絕了－他們從此不再來(lái)往。
- John informed the principal against Paul. 約翰向校長(cháng)告發(fā)了保羅。
- All elastic materials possess this property to a certain degree. 所有彈性材料在一定程度上都具有這種特性。
- The central or principal vein of a leaf. 中脈中心的或主要的葉脈
- The principal discouraged unexcused absences. 校長(cháng)不準無(wú)故缺課。
- Rubber is the country's principal export. 橡膠制品是該國主要的出口產(chǎn)品。
