The space ship was originally scheduled for lift-off on June 13, but was first postponed because of a leak associated with the hydrogen venting system outside the shuttle's external fuel tank.
奋进号"原定于6月13日发射，但因外部燃料箱某处有氢燃料泄漏而推迟了发射时间。
The space ship was originally scheduled for lift-off on June 13, but was first postponed because of a leak associated with the hydrogen venting system outside the shuttle's external fuel tank.
奋进号"原定于6月13日发射，但因外部燃料箱某处有氢燃料泄漏而推迟了发射时间。
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