The Ausf J 1 and L versions had this longer gun, thicker armor, and some simplified features.

J1和L型都有这个更长的火炮, 更厚的装甲, 和其他一些简化的特点.

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So in Turpan depression there exist two petroleum systems: J 1 + 2 - J 2 (! )

据此,吐鲁番坳陷存在两个含油气系统: J1+2 - J2 (! )

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