... seatload阀座负载 seatring阀座 seawatermercurometer海水测汞仪 ...
基于29个网页-相关网页
... 阀座；阀盘valveseat 阀座环seatring 阀座密封嵌条sealingstripforvalveseat ...
基于22个网页-相关网页
... seatretainer座圈；阀座护圈 seatring阀座圈 seatrock根土岩 ...
基于4个网页-相关网页
... 阀板DISC 阀环SEATRING 格兰GLAND ...
基于1个网页-相关网页