您要查找的是不是：
- the axis distance between the top member and the bottom member 上下弦軸心距離
- The news comes from a reliable source. 這消息來(lái)自可靠的來(lái)源。
- My wages are the principal source of my income. 薪金是我收入的主要來(lái)源。
- Solar energy is a new kind of source of energy. 太陽(yáng)能是一種新型能源。
- The sun is the ultimate source of energy. 太陽(yáng)是能量的最基本來(lái)源。
- A source of irritation or annoyance. 令人生氣的事或者引起煩惱之事
- The groundwork or source of something. 基礎，根源某事物的基礎工作或根源
- Where is the source of the Rhine? 萊茵河發(fā)源于何處？
- The Axes Distance of Aero Wheel Affect The Result of Measurement 滾輪間距對檢定結果的影響
- He's been a source of discord and worry. 他成為不和和煩惱的根源。
- The axis distance 安裝距
- A source of harassment, annoyance, or pain. 使人痛苦的東西騷擾，煩惱或痛苦的來(lái)源
- Is the water polluted at source or further downstream? 河水是在源頭還是在流出之後受到污染的？
- Hard work is the ultimate source of success. 努力工作是成功之本。
- axis distance 軸距
- The proof came from a plenteous source. 證據來(lái)自豐富的渠道。
- Do you know the source of Amazon River? 你知道亞馬遜河的源頭嗎?
- He is a bit coy when ask about the source of his income. 問(wèn)起他收入的來(lái)源，他就有些吞吞吐吐。
- Radium can be fixed some distance from its original source. 鐳在離它的原始母體一定距離上固定下來(lái)。
- A source of deep mental anguish. 悲痛的緣由精神極度痛苦的根源
