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1·I unknotted the handkerchief, and commenced dropping them in from an angle, and the flame curled up the chimney.

我解开手绢，开始把它们从手绢角里向外倒，火焰卷上了烟囱。

2·Cooling is needed when temperature of driveshaft is over 60? C, judging by frequency dropping or rotating Angle increasing to end the test.

轴温度超过60度将进行冷却，由载荷决定试验终止，通过频率下降或转角增加终止试验。

3·Although the shear strength of frozen clay is only increasing with the temperature decreasing, there is a tendency that the angle of internal friction is dropping with the lowering of temperature.

无论何种试验加载方式，冻结粘土的剪切强度都与围压关系不大，只随着温度的降低而增大，而内摩擦角则有随着温度的降低而减小的趋势。

4·Have calculated average amount of chipping, average dropping in Angle of chipping and average distance from chipping to objective cabin.

计算出平均破片数，平均破片落入角，破片到目标舱段面的平均距离。