- 重点词汇
- 相差
differ; vary; be different; be at variance; diverge; be unlike
- 加工
process; maching; working; machine; processing; treatment
- 比较
compare; contrast; differentiate; weigh; compare with; comparatively; relatively; cf.; cp.; comparative; relative; fairly; comparison
- 单个
single; odd; solo; solitary
- 出来
come out; turn; march; reemerge; appear; turn out; show up; come up; out
- 上部
upper part
- 没有
not have; lack; be without; be devoid of; do not have; be short of; go without; not; out; no; without; never; none; zero; empty; void; lacking; destitute; nonexistent; sans; minus; absent; absence; nonexistence; nothingness; zilch; there is not; not available; nope; naw; nothing; non-; a-; an-; -less; N/A; n/a (short for not available)
- 排气孔
vent; ventage; vent hole