钨钢球合金球6.755/6.76/6.765/6.77/6.775/6.78/6.785mm钢珠

晶振 晶体 谐振器 6.775M 6.775MHz HC-49SMD Crystal

/电源线6.775平方rvv铜线. 信号00. 5815线0控制线护套芯 足/芯

/.球/塑料/.6.775..9光滑./677/667pom实心673/.14.6//354/.5mm8/