The main jobs of the _____ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil

Insulating and sealing up your house can save you ______.

EXW 包括如下费用： Cost + Loading after Sealing 。

The main jobs of the _________ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil D: cooling fan

The sealing rings are in four parts and pressed together around the piston rods by means of （）.

Cylinder head is bolted to the top of the cylinder block with a gasket in between sealing the block and forming the combustion chambers with the cylinders．

Which of the following is not a function of modern lubricants A: Reduced friction B: Heat insulation C: Sealing D: Heat dissipation

Types of steam sealing include () A: labyrinth gland. B: fir-shaped gland. C: J-shaped gland. D: T-shaped gland

Which of the following compressions in the soil under loading cannot be ignored（） A: soil particles B: interparticle pore C: sealing gas D: water in the soil

Before（）the envelope, please be sure you have enclosed all of the documents listed in your orientation packet. A: sealing B: is sealed C: was sealed D: seal