白石水库倒垂孔施工，通过严格控制钻孔和保护管偏心值，保证了有效圆直径满足要求。
In the pour the nearing line project of Baishi reservoir, we guaranteed the effective round diameter meets the demands through controlling holing and partial value.
双金属温度计订货时须分别注明产品的型号、测量范围、安装螺纹、保护管长度外壳直径、准确度等级等技术参数。
The bimetallic thermometer should note the products model. test range, fix screw, protect pipe length, shield diameter, accuracy and other technique parameter.
双金属温度计订货时须分别注明产品的型号、测量范围、安装螺纹、保护管长度外壳直径、准确度等级等技术参数。
The bimetallic thermometer should note the products model. test range, fix screw, protect pipe length, shield diameter, accuracy and other technique parameter.
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