The three basic types of antifriction bearings are ball bearings, roller bearings, needle bearings.减摩轴承基本上有滚珠轴承 、 滚柱轴承和滚针轴承三种.A sightseeing tour of the city is included to help you get your bearings...市区观光游也包含在内，帮助你熟悉一下这...
The event was dreamed up by Mick Jagger.这事是米克·贾格尔的凭空捏造。Jagger was dancing on stage, and pretending to play an invisible guitar.杰格尔在台上跳舞, 假装在弹一把无形的吉它.Mick Jagger of the Rolling Stones was singing Midnight Rambler.滚石摇滚乐队的迈...
反相 高效液相色谱法测定酮戊二酸的含量.RP - HPLC method for the determination of α - ketoglutaric acid was established.类似地, 在人恶性神经胶质瘤固有的异柠檬酸脱氢酶1突变中, 我们发现2-羟基戊二酸也是明显性地上升.Similarly, in human malignant harbouring IDH 1 mutations, we find mark...