该公司现在报价3,900英镑安装双层玻璃窗。The company is now offering to double-glaze the windows for £3,900.用双层平纹细布或干酪包布过滤混合料。Strain the mixture through a double thickness of muslin or cheesecloth.因为隔着双层玻璃，锤子的敲打声变低沉了。The noise of hammering...
This gaseous impurity is able to bring about metal corrosion and contaminating.这些气相杂质的存在会造成金属材料腐蚀,并污染环境.Untrammelled industrialisation, particularly in poor countries, is contaminating rivers and aquifers.不节制的工业化, 尤其是在穷国...
A shaft on the piston forms the armature of a coil.活塞轴作线圈的衔铁.N is armature of soft iron.N是软铁的衔铁.The iron with the wound coils on it is called an armature.缠绕着线圈的铁心叫做电枢....
海森堡我们还未能看清我们是谁,我们是什么, 我们便去了,躺入了尘土.Heisenberg Before we can glimpse who or what we are, we're gone and laid to dust.摘要利用延拓结构研究了可积的非均匀推广的海森堡铁磁链方程.This paper investigates the integrable inhomogeneous generalized Heisen...