ID 原文 译文
4986 2 Two transverse profiles shall be selected longitudinally along members for temperature measuring and temperature measurement points shall be set around and in middle of each transverse profile; temperature measurement points on the concrete surface shall be set on the inner surface of forms, while the positions and quantity shall be corresponding to those around two profiles; the measurement points for ambient temperature shall not be less than 1 in position. 2 宜选择沿构件纵向的两个横向剖面进行测温，每个横向剖面的周边及中部区域应设置测温点；混凝土浇筑体表面测温点应设置在模板内侧表面，并应与两个剖面上的周边测温点位置及数量对应；环境测温点不应少于1处。
4987 2 Two-segment variable sections for frame beam (Figure A. 0.3-2): 2 刚架梁为二段变截面(图A.0.3-2)：
4988 2 Two-way slab simply supported on four sides or four corners shall be supported in such way that members at supporting point can be turned freely and supporting surface may move horizontally; 2 对四边简支或四角简支的双向板，其支承方式应保证支承处构件能自由转动，支承面可相对水平移动；
4989 2 Unbonded prestressing tendons in length not greater than 40m may be tensioned at one end, while unbonded prestressing tendons in length greater than 40m tensioned at both ends. 2 无粘结预应力筋长度不大于40m时，可一端张拉，大于40m时，宜两端张拉。
4990 2 Uncertainty of force measurement indication of test machine or dynamometer for calibrating tensioning device shall not be greater than 1.0%; 2 标定张拉设备用的试验机或测力计的测力示值不确定度，不应大于1.0%；
4991 2 Under the action of eccentric vertical force, the following requirement shall be met besides Formula (8.5.5-1): 2 偏心竖向力作用下，除满足公式(8.5.5-1)外，尚应满足下列要求：
4992 2 Under the action of eccentric vertical force: 2 偏心竖向力作用下：
4993 2 Under the action of gravity load, where the roof plate is able to prevent purlin from lateral displacement, the strength checking of upper and lower chord rods shall meet the following requirements: 2 在重力荷载作用下，当屋面板能阻止檩条侧向位移时，上、下弦杆强度验算应符合下列规定：
4994 2 Under the combined action of shear force V, bending moment M and axial pressure N, resistance of the compression-bending member with I-shaped section shall meet the requirements of the following formulas: 2 工字形截面压弯构件在剪力V、弯矩M和轴压力N共同作用下的强度,应满足下列公式要求:
4995 2 Under the design conditions in winter, coefficient of performance (COP) of cold/hot air unit shall not be less than 1.8; coefficient of performance (COP) of water chiller-heater unit shall not be less than 2.0; 2 冬季设计工况下，冷热风机组性能系数（COP）不应小于1.8，冷热水机组性能系数（COP）不应小于2.0；