In such cases, can switch to spiral wound gasket, "o" ring and so on, are now a number of factories he already adopted.
遇到这种情况，可改用缠绕垫片，“O”形环等，现在许多厂已采用。
In such cases, can switch to spiral wound gasket, "o" ring and so on, are now a number of factories he already adopted.
遇到这种情况，可改用缠绕垫片，“O”形环等，现在许多厂已采用。
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