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- Different materials or overlays are available for mechanical or chemical protection. 有不同的用于機械和化學(xué)保護的材料和涂層。
- Armore cabl is requir for these instal to provid mechan strength dure instal and rodent and chemic protect after installation. 這些裝置要求使用鎧裝光纜，以便在裝置過(guò)程中提供機械強度，并且在裝置后提供侵蝕維護和化學(xué)保護。
- Advances in Chemical Protection Research 化學(xué)防治技術(shù)研究
- Method of Plant Chemical Protection 植物化學(xué)保護方法
- Fully sealed chemical protection apparel 全密封消防防化服
- Individual Chemical Protection Levels 個(gè)人化學(xué)防護等級
- The aeroplane wing showed signs of metal fatigue. 機翼顯出有金屬疲勞的現象。
- Concorde inaugurateda new era in aeroplane travel. 協(xié)和式飛機開(kāi)創(chuàng )了空中旅行的新紀元。
- To damaged mechanism of coppered well test recording card, a set of physical and chemical protecting way for preserving well testing card for long time has been studied and searched. 針對銅質(zhì)地層測試卡片的損壞機理,研究、摸索出了一套有利于地層測試卡片耐久保存的物理保護方法和化學(xué)保護方法。
- To ride in an aeroplane you have to book in advance. 要乘飛機必須提前定位子。
- Chemical Protection Materials and Application Status 化學(xué)防護材料極其應用現
- A reactor is a container for chemical reaction. 反應器是進(jìn)行化學(xué)反應的容器。
- The chemical symbol for copper is "Cu". 銅的化學(xué)符號是Cu。
- The flight path of the aeroplane cross, with fatal result. 飛機的航線(xiàn)互相交錯鑄成人命慘禍。
- We are doing a chemical experiment. 我們正在做化學(xué)實(shí)驗。
- All are aposematuically colored, suggesting that they all are chemically protected. 它們全都有警戒色,表明它們全都有化學(xué)的保護作用。
- My major is the subject of chemical engineering. 我的專(zhuān)業(yè)是化學(xué)工程學(xué)。
- Ammonia is a chemical substance. 氨是種化學(xué)物質(zhì)。
- We took a flight in an aeroplane. 我們乘飛機飛行。
- A chemical derived from petroleum or natural gas. 石油化學(xué)制品從石油或天然氣中提煉出的化學(xué)產(chǎn)品
