Calcium cyanamide is poisonous and irritating to the skin.氰氨化钙是毒性物质,对皮肤有刺激性.A new process, urea - calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed.利用尿素和硫化氢等原料制备硫脲, 提出了尿素 - 氰氨化钙法...
Roberts was then a newly married man.罗伯茨当时刚结婚。Roberts attempted to make light of his discomfort.罗伯茨试图轻描淡写自己的不适。The machine was custom-built by Steve Roberts.这台机器是请史蒂夫·罗伯茨定做的。...
An auctioneer, at the moment of non - sale, should be required to state plainly to his audience that an item has been bought in.遇到无销路时, 拍卖人必须向观众明确表示他已经买回自己送去的拍卖品.Benson signaled the auctioneer quietly and kicked the bid ...
I particularly like the type of shelving that screws to the wall.我尤其喜欢那种用螺钉固定在墙上的搁板。I couldn't get any purchase with the screwdriver on the damn screws.我用螺丝刀拧那些该死的螺丝钉时一点也使不上劲儿。Each bracket is fixed to the wall with ...
Small nodules, like oversized gravel , have been found in waters as shallow as 100 feet deep.人们在100英尺深的水中已经发现了象特大的砂砾那样的小结核.Main Idea: Oversized Footers will feature less important, but more personal information.核心创意: 超大页...
单调地踩着踏车, 拉动石块,悬在树边.Run the treadmill. Pull the blocks and hang from the tree.但是不久的将来, 您可能还会想到微波炉或健身踏车什么的.But soon, you may think microwave ovens and treadmills too.注射两周后, 肺动脉高压通过超声心动来测定, 踏车训练随即开始.Two weeks after injectio...