With linear ball bearing housed units, the bearing is integrated in a strong, rigid housing, which comes in closed, open, slotted or tandem versions.
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rigid housing demand 住房刚性需求
Instead of having the sphere within a bowl he created metal housing which kept the sphere rigid.
而不必在一个碗里球，他创造的金属外壳从而保持刚性球体。
The rigid demand of housing is the consumption demand of minor income demand elasticity and major price demand elasticity.
住房刚性需求是需求收入弹性较大而价格弹性较小的具有一定购买力的消费性需求。
The bent-housing motor is relatively rigid, so the geometric method can be used to calculate the build angle rate of steerable motor.
弯壳体导向钻具的刚性大、变形小，因此可采用几何法来计算造斜率。
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