double tracks 双重格局
double tracks sign 双轨征
double tracks railway 复线铁路
modified double tracks anastomosis 空肠间置术
vicious circles on double-tracks 双轨恶性循环
Double storm tracks 双风暴轴
double a-particle tracks 双a
double flexible arm sliding tracks 双挠臂空间滑道连接
M700 series are double shafts drives. It is strong, quiet and suitable for both straight and curve tracks. It is widely used in all kinds of fold canopies.
系列驱动器为双输出轴设计，扭力大，噪音低，兼容直线及弧线路轨，可广泛应用于各类折叠式天棚帘。
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It is the double layer and tracks and conveys smoothly.
双层双轨平稳连接输送运行。
The ProShares Ultrashort Euro ( EUO) is a double-short leveraged ETF that tracks the dollar price of the Euro.
FORBES: 3 ETF Currency Plays
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