double-circle oil pressure self-closing valve的意思|示意
美 / /
英 / /
双循环油压自闭阀
double-circle oil pressure self-closing valve的网络常见释义
双路油压自锁阀 ...式自闭阀 quick-acting self-closing gate valve 速动自闭闸阀 double-circle oil pressure self-closing valve 双路油压自锁阀 ..