例句與造句

1. 2 flange can base of custmers request to according state criterion of hg gb jb ansi jis bs din to smithing also can confirm by pact , because of machining craft of airproof - side , so advice to choose flat weld flange of board form neck form . airproof - sides are all planar airproof form , in order to install pipeline , we can afford volitant flange of flat welding
   2法蘭可根據(jù)用戶需要按hg gb jb ansi jis bs din等國家標準，可以是鍛造，也可由合同確定，因密封面加工工藝建議選用板式平焊法蘭帶頸平焊法蘭。
2. It's difficult to find flat weld in a sentence. 用flat weld造句挺難的