suction flat box 真空吸水箱
flat box girder 扁平箱梁
flat-box girder bridge deck 扁平箱形桥梁断面
EMS FLAT RATE BOX 邮政特惠箱
flat suction box 平板吸水箱
Flat Rounded Box 平面圆盒
match-box-type of flat slide valve 火柴盒式滑阀
flat curved box beam 扁平曲线箱梁
flat twin-box girder 分体式扁平双箱梁
Ellen is walking down the drive with a square flat box balanced on one hand.
埃伦正沿着车道走着,一只手上托着一个扁平的方盒子。
The studying of the different sections deck shows: the variation pattern of flutter critical wind speed of bridge with flat box deck and wind yaw Angle is significantly affected by wind attack Angle.
研究发现:扁平箱形断面桥梁的颤振临界风速与风偏角的关系明显地受到风攻角的影响。
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