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1·Thinking for a new clamping-track instrument is put forward according to the force analysis of it in raker.

通过对耙装机卡轨器的受力分析，提出了新型的卡轨器设计思路。

2·The stone above the wizard disappeared-was just gone. In its place was an upward reaching corridor that cut through several feet of stone to end at the ground floor of the Raker house.

在石头原来的地方出现一条上升的走廊，走廊直直穿过几英尺厚的石板，终结在“清道夫”宅子底层的地板上。