variable propeller造句

例句与造句

1. These drove three bladed variable propellers.
2. As experimental aircraft and microlights have become more sophisticated, it has become more common for such light aeroplanes to fit variable-pitch propellers, both ground-adjustable propellers and in-flight-variable propellers.
3. It's difficult to find variable propeller in a sentence. 用variable propeller造句挺难的