- 變幅
- 吊臂起落
- 俯仰收放運動
- 俯仰運動
- 起重桿升降
- 起重機臂的轉(zhuǎn)動
- 起重機臂轉(zhuǎn)向
- 上下擺動
- 升降運動
- 轉(zhuǎn)向迎風(fēng)行駛
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luffing中文什么意思
例句與用法
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- No heavy leading edge causing the kite to luff
沒有重的前沿導(dǎo)致風(fēng)箏對逆風(fēng)行駛。 - Luffing : altering course toward the wind
迎風(fēng)轉(zhuǎn)向：改變航行路線，使之面對風(fēng)向。 - The pearl ' s gonna luff up on our port quarter
黑珍珠很快就要從左舷船尾趕上來了 - Travelling luffing crane
移動式俯仰起重機 - Make a bad show of keeping your course . let her run up and luff every now and then
假裝無法穩(wěn)定航線引它跟上，不時轉(zhuǎn)轉(zhuǎn)舵
百科釋義
In sailing, luffing refers to when a sailing vessel is steered far enough toward the direction of the wind ("windward"), or the sheet controlling a sail is eased so far past optimal trim, that airflow over the surfaces of the sail is disrupted and the sail begins to "flap" or "luff" (the luff of the sail is usually where this first becomes evident). This is not always done in error; for example, the sails will luff when the bow of the boat passes through the direction of the wind as the sailboat is tacked.
詳細(xì)百科解釋