特性曲character piece

[名词解释] 分泌片（secretory piece）

[单选题]A distance piece, known as a （） may be interposed between the rod and the bearing housing.A . bearing shellB . bearing linerC . compression plateD . lead wire

[单选题]A distance piece, with ground faces, may be interposed between the rod and the bearing housing, its thickness being chosen to ensure the correct （）.A . expansion ratioB . pressure ratioC . compression ratioD . clearance ratio

[单选题]A single piece（） fitted with bronze rings guides the piston in the cylinder liner.A . piston skirtB . piston crownC . guide wayD . cross-head

[单选题]A distance piece, with ground faces, known as a compression plate, may be interposed between the rod and the beating housing, its thickness being chosen to ensure the correct （）.A . compression pressureB . compression testC . compression ratioD . com

[试题]Anna was reading a piece of science fiction, 怎么选择A．nnawasreadingapieceofsciencefiction,completely_______totheoutsideworld.A．)havingbeenlostB)tobelostC)losingD)lost

[单选题]A．nna was reading a piece of science fiction, completely ________ to the outside world.[A] being lost[B] having lost[C] losing[D] lost

[问答题] 简述曲的诗体特性。

[单选题]E．very valid character in a computer that uses even(71)must always have an even number of 1 bits．(71)A．parityB．checkC．testD．compare

[问答题] 信用品质(Character)：