hand oil pump造句

例句与造句

1. Instead, the frame was purpose-built to properly hold the engine, and the Quadrant motorcycles also pioneered a suction inlet valve, hand oil pump and direct drive, contact breaker ignition replacing trembler ignition in 1902, as well as a spray carburetor in 1904 and magneto ignition in 1907.
2. It's difficult to find hand oil pump in a sentence. 用hand oil pump造句挺难的