their arms are tied to a hook on a crane：他們的手都綁在起重機上

[Newton] When the slaves are flogged on the wharfs,|當(dāng)奴隸在碼頭上遭受鞭打時 | their arms are tied to a hook on a crane|他們的手都綁在起重機上 | and weights of 56 pounds|在腳上綁著56磅重的東西

concrete chuting cable crane：滑槽運送混凝土用死起重設(shè)備

concrete chute 混凝土運送溜槽 | concrete chuting cable crane 滑槽運送混凝土用死起重設(shè)備 | concrete coloring 混凝土著色

coaling crane：裝煤起重機

coalification 煤化酌 | coaling crane 裝煤起重機 | coalman 煤礦工人

coaling crane：載煤起重機

焦結(jié)煤,煉焦煤 coal, coking | 載煤起重機 coaling crane | 上煤機構(gòu) coaling gear

If you craned your neck like a crane：如果你像只鶴一樣伸長脖子

But what would your mother say?|但是媽媽會怎么說呢? | If you craned your neck like a crane...|如果你像只鶴一樣伸長脖子 | you'd have to stretch your arm way up...|你就得伸長你的手臂來撓頭

Crane and Hoists：起重設(shè)備

10-02-02 輸送帶 / Conveyors | 10-02-03 起重設(shè)備 / Crane and Hoists | 10-02-04 動力升降臺 / Platform and Lifts

luffing crane：旋臂起重機

luffing cableway mast 傾斜式纜道桅桿 | luffing crane 旋臂起重機 | luggage room 行李間

luffing crane：動臂起重機

短角鐵連接 lug attachment | 動臂起重機 luffing crane | 滑油集油池 lubricating oil sump

He operates the crane：他在操縱起重機

This man risks his life. 這個男人在冒著生命危險. | He operates the crane. 他在操縱起重機. | This man yells directions and gets sunburned. 這個人一邊曬著太陽,一邊在大聲下達指令.

He operates the crane：他在操縱起重機. 無憂英語考試學(xué)習(xí)

This man risks his life. 這個男人在冒著生命危險. | He operates the crane. 他在操縱起重機. 無憂英語考試學(xué)習(xí) | This man yells directions and gets sunburned. 這個人一邊曬著太陽,一邊在大聲下達指令.