After this accident, some business may start to

来源: wxc1204 于 2010-06-01 09:11:17 [] [旧帖] [给我悄悄话] 阅读数 : 0 (210 bytes)

practice how to operate cutting, welding... with specilized device. As you you can see BP'tried different approaches one after another, but they have no clue if it will work because they never practice before.

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