Should he come, he would be able to examine the trial run of the machine.
如果他来，他就能检验这台机器的试车情况了。
The machine, however, failed on its trial run.
但这部机器的试车失败了解。
We gave the machine a trial run before using it on the production line.
我们先让这台机器进行试转，然后再用于生产线。
He gave the machine a trial run.
他试了一下这部机器。
He gave the machine a trial run.
他试了一下这部机器。
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