1.   Because this is an inefficient way to go, NASA engineers have recently tested an engine that gets some of its oxygen on the run.

2.   It means, first, that they can find the failure rate by testing the engines in a lab under simulated conditions or observing them in actual flights.

3.   Nissan is testing the engine in a wagon built specifically to test the hybrid system, said Nissan spokeswoman Masako Fujita.

4.   Technicians test the engines by shooting dead birds from an air gun into a standing engine whirling at take-off speed.

5.   The Slinky sprang to life when a steel coil used to test battleship engines bounced off the desk of marine engineer Richard James.

6.   After testing the engine again on Sunday morning, NASCAR ruled it was legal.

7.   After finishing their repairs, the mechanics allowed the train to roll backward downhill to test the engine.

8.   After mechanics completed repairs they allowed the train to roll backward downhill to test the engine.

9.   Boucher on Tuesday said he could not say whether North Korea had tested the engine.

10.   Every Space Shuttle main engine is tested at the site, located in a remote part of southwest Mississippi near the banks of the Pearl River.

v. + engine >>共 326
start 8.04%
use 4.31%
build 3.02%
have 2.96%
rev 2.38%
damage 2.38%
cut 2.32%
make 2.19%
supply 1.93%
gun 1.93%
test 1.35%
test + n. >>共 1571
water 2.77%
drug 2.34%
system 2.31%
theory 2.05%
sample 1.80%
product 1.63%
limit 1.50%
idea 1.17%
missile 1.07%
device 1.07%
engine 0.30%
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