斯美特WRER2-13电站高温高压热电偶 WRER-13 0-565℃ ¥170.00 WRNR-14 WRNR2-14电厂测温中温中压热电偶 0-340℃ ¥170.00 斯美特WRNR2-14电站测温中温中压热电偶 WRNR-14 ¥170.00 WRER2-14 WRER-14中温中压不锈钢保护管热电偶 ¥170.00 WRER2-14中温中压热电偶 WRER-14 公称压力14.7MPA ¥170.00 斯美特WRNR-15低温低压热电偶 K型 0-260℃ M33X2 ¥170.00