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同时，螺旋形电缆应处于中间位置，否则极易在转动转向盘时遭到损坏。
但是对环境要求高，首先，因为它是以热风循环来制冷的，所以，如果安装车间的通风效果不好的话，会直接影响到冷水机组的制冷效果。
5、低转速时的冷却问题 首先，异步电动机的阻抗不尽理想，当电源频率较底时，电源中高次谐波所引起的损耗较大。
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⑤表2中未列出名称的房间可参照用途相近的房间确定其指标数值。
2、过滤耗材消耗低。
另外，二氧化氯对水质的pH值要求较低，可用于前端和末端补氯。
有良好的弹性，以适应梁端的转动,又有较大的剪切变形以满足上部构造水平位移。
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作为一般规则，可有：*单传感器静态称重系统：固定负荷（秤台、容器等）+变动负荷（需称量的载荷）≤所选用传感器的额定载荷X70%*多传感器静态称重系统：固定负荷（秤台、容器等）+变动负荷（需称量的载荷）≤选用传感器额定载荷X所配传感器个数X70%其中70%的系数即是考虑振动、冲击、偏载等因素而加的。
MCU控制芯片加上进口元器件制作，经过几十万次的开关冲击测试，并超过2万小时的持续老化无任何不良。
4.空气循环法：是在保证幼苗不受冻害的前提下，尽可能自然通风，排除湿气。
电磁流量转换器可与各种规格电磁流量传感器配套组成电磁流量计，用于测量各种酸、碱、盐溶液或液固两相流体等导电介质的体积流量。
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