Acid - washed, flux - calcinated diatomaceous earth is often used.通常使用酸洗的, 通量煅烧硅藻土.Diatomaceous earths are the skeletal remains of the tiny aquatic plants deposited centuries ago.硅藻土是百年前水生植物沉淀下来的遗骸.Add 20 mg. of diatomac...
Add 20 mg. of diatomaceous earth filter aid per liter of solution.对每升溶液加入20毫克硅藻土助滤剂.Acid - washed, flux - calcinated diatomaceous earth is often used.通常使用酸洗的, 通量煅烧硅藻土.Diatomaceous earths are the skeletal remains of the t...
这个博物馆将长期展出60辆老爷车。The museum will have a permanent exhibition of 60 vintage cars.莫里斯先生认为博物馆作的广告卓有成效。Mr Morris feels the museum is using advertising to good effect.就在那时，博物馆陷入了一片漆黑。At that instant the museum was plunged int...
The storm measured 10 on the Beaufort scale .这次风暴按蒲福风级测量为10级。Janey knew every fold of the Beaufort mystery.珍妮对鲍富特秘密的所有细节,都了如指掌.Beaufort Castle is on your left.博福尔城堡在你左手边。Lady Margaret Beaufort , mother of Henry VII found...