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- Where tight dredging depth tolerances are required to dredge contaminated materials the bucket-type closed-grab dredger shall incorporate a visor. 在挖掘受污染物料時(shí)，若嚴格規定了挖泥深度容限，則密封抓斗式的挖泥機應設置一個(gè)護罩。
- Dredge Line： this number is used to display a horizontal line on thedisplay which represents the desired dredge depth(distance below the reference elevation). 挖掘線(xiàn)：此數據用來(lái)表示將要挖掘深度（即從參考標高向下）之處的水平線(xiàn)。
- The depth of the river is maintained by dredging. 通過(guò)疏浚保持河道的深度。
- This creature lives in the depth of the ocean. 這種生物生活在海洋深處。
- They are dredging for the dead body. 他們在撈尸體。
- I have to buy a more economical stove. 我得買(mǎi)一個(gè)更節省燃料的火爐。
- I was out of my depth in that class. 在那個(gè)班里我跟不上。
- She is economical in her use of salt when cooking. 她烹飪時(shí)用鹽很少。
- The young man dived to a depth of 40 feet. 那個(gè)青年人潛到四十尺的深度。
- We should discuss the problems in depth. 我們應該深入地討論這些問(wèn)題。
- The depth of the universe is immeasurable. 宇宙無(wú)限深廣。
- This is not an economical method of heating. 這不是一種經(jīng)濟的取暖方式。
- She writes novels with economical style. 她以簡(jiǎn)練的風(fēng)格寫(xiě)小說(shuō)。
- Measurement of the depth of large bodies of water. 海洋測深學(xué)，海洋測深術(shù)測量大水域的深度
- A monthly is more economical than 4 weeklies. 一張月票比四張周票上算。
- The depth of water in this river is half that in that river. 這條河河水的深度是那條河河水深度的一半。
- It's not an economical method of heating. 這不是一種經(jīng)濟的取暖方式。
- A trademark used for a sonic depth finder. 回音測深儀一種聲音測深儀的商標
- Resembling an abyss in depth; unfathomable. 深不可測的，無(wú)底的深度上象深淵的; 深不可測的
- These creatures live in the depth of the Pacific Ocean. 這些生物生活在太平洋的海底。
