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- X线两档Two X-ray energy modes
- 在线in-line
- 两档变倍Switch-zoom
- 一线两带"one line and two belts" regions
- 两档变焦switch-zoom
- X线人类学roentgenographic anthropology
- “一线两厢”"frontline and two sides"
- 双位置两档变焦Two-position step-zoom
- 非X线监视without X-monitoring
- 红外两档变倍光学系统设计Design of the infrared switch-zoom optical system
- 钼靶X线检查x-ray mammography
- “一线两带”"yixianliangdai"
- X线透视fluoroscopy
- 企业所得税两档照顾性税率的改进思考Proposal to Improve Two Business Income Tax Suits of Care Tax Ratio
- 特种X线sp.xr
- 针圈及两档轻质辊作中间控制的双曲牵伸Needle ring and two-bar light-weight cot middke citrol double area draft
- 透X线的radiotransparent
- 两桥两线两港two bridges, two lines and two ports
- 体腔X线管endodiascope
- 我们没有5档的山地车。我们只有两档:一档在自行车上,另一档在我们的脚上。We didn't have 5-gear mountain bikes. We had only two gears: one gear on the bike and the footgear we wore.