原级：casing
1. 壳：caretaker 看管人 | casings 壳 | catalytic 催化的,起催化作用的
2. 套管：塘沽基地 Tanggu base | 套管 casings | 套管水泥塞 casing cement plug
3. 外包装：Casings 外包装 | Fluorescent 荧光的bulbs灯泡 | Tube 灯管
1. casings的意思
1. In Beijing, the streets were littered with tattered red paper and the cardboard casings from spent fireworks.
2. Police who went to investigate, said the UN compound was littered with broken glass and bullet casings.
3. Overnight they had sprouted a covering of red casings, as if a million pounds of red confetti had been airdropped on the city.
4. The nine grooms placed flowers stuck in makeshift vases fashioned from discarded Israeli shell casings on the remnants of their homes.
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5. Beijing yesterday criticized Canada's move to launch a dual probe into oil and gas well casings from China.
6. He attaches them to the opening of a mincing machine, which packs the ground and flavored pork into the casings.
7. The factory will assemble nacelles outer engine casings for its wind turbines with an output capacity of 700 megawatts per year.
8. casings的意思
8. The factory will assemble nacelle outer engine casings for its wind turbines, which can generate 700 megawatts per year.
9. Demonstrators around him wore masks to protect against tear gas and showed off spent gas canisters and bullet casings.
10. All the UHV bushings and casings used by Chinese transformer companies are foreign products.