... check feed 单向给水 check fittings止回配件 check for zero setting 零定位检查 ...
双语例句
1
Company specializing in the production "Huangjia" brand brass ball valve, gate valve, globe valve, check valve, filters, gas valves and pipe fittings and other products.
公司专业生产“皇家”牌铜球阀、闸阀、截止阀、止回阀、过滤器、煤气阀门和管道配件等系列产品。
2
The company mainly produces the products involving PP-R ball valve, anglevalve, stop valve, check valve and pipe fittings.
本公司主要生产PP-R球阀、角阀、截止阀、止回阀、管接头等产品。
3
Check that top of fridge cabinet and mirror is clean. Check if light is clean and working and fittings of light are secure.