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The transalkylation of polyethylbenzene, mainly diethylbenzene and triethylbenzene, with benzene catalyzed by tungstophosphoric acid has been studied in stirred autoclave.

采用搅拌高压釜,以磷钨酸为催化,的烷基转移反应,主要是二乙和三乙

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liftoff, lift-off, lift-on-lift-off, liftout, lift-slab, lift-truck, lift-type, lift-valve, lift-van, lig,

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3G, 401(K), a,

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中高级英语短文

The basic processing techniques of modern Pu'er tea include seven main steps: fresh leaf picking, spreading fresh leaves for cooling, fixation, kneading, sundrying, pile fermentation, autoclaving and desiccating.

现代普基本加工工艺包括七个要步骤:鲜叶采摘、铺鲜叶定、揉捏、晒干、渥堆、高压灭菌和干燥。

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ligamentum, ligan, ligancy, ligand, ligandin, ligandolysis, ligands, ligarine, ligase, ligasoid,

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3G, 401(K), a,
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