Selecting a screw diameter bigger than the shot weight need would help.
选用较注塑量所需更大的螺杆直径会有帮助。
The weight shift in sand may be a little less than a regular fairway shot.
在沙坑的重心转移比在球道上击球时略少一些。
After weight each shot (without the sprue) and draw the graph.
然后称重（不含料头），并画出图形。
Filling the cylinder with lead shot to simulate a sample's weight.
圆柱里面灌铅，以模拟样本的重量。
Filling the cylinder with lead shot to simulate a sample's weight.
圆柱里面灌铅，以模拟样本的重量。
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