[单选题] The primary role of the distributor is to distribute high voltage from the___ to the correct cylinder.

1、[单选题]What does APR stand for?

• A、Annual percentage rate.
• B、Average pinciple rate.
• C、Annual primary rate.

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2、[主观题]【翻译】连杆小头与活塞销连接，连接处有像青铜这样软金属制成的衬套，连杆下端连接在曲柄轴径上，称为连杆大头。

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3、[主观题]【翻译】The modern clutch is a single plate, dry disc . It consists of five major parts:
flywheel, clutch disc, pressure plate assembly, throw-out bearing, and clutch linkage.
Other parts which make up the clutch assembly are the transmission input shaft and
clutch housing.

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4、[主观题]【翻译】The engine block serves as a rigid metal foundation for all parts of an engine. It
contains the cylinders and supports the crankshaft and camshaft. In older engines, the
valve seats, ports, and guides are built into the block. Accessory units and the clutch
housing are bolted to it. Blocks are made of either cast iron or aluminum. The lighter

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5、[主观题]【翻译】No.4 piston is always performing the companion stroke to No.1: when the inlet valve in No.4 cylinder is fully open, No.1 cylinder inlet valve is fully closed --- this feature is useful to remember when checking valve clearances.

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