查询词典 tighten up

step-up ratio：升高系数,升压比,变压器升压比

step-up pulse transformer 升压脉冲变压器 | step-up ratio 升高系数,升压比,变压器升压比 | step-up ring 大小连接环

step-up motor：步进电动机

step-up exchange 步进制交换机 | step-up motor 步进电动机 | step-up pulse transformer 升压脉冲变压器

He should stick up for himself：他应该自卫

They will stick up for their beliefs.他们将捍卫自己的信仰. | He should stick up for himself.他应该自卫. | Please help me to stick up the board on the big box.请帮助我把木板钉在那个大木箱上.

stick up to：抵制

stick up for 支持 | stick up to 抵制 | stick up 竖起

store up：贮藏

save up 存起来 | store up 贮藏 | cover up 掩盖

store up essence：藏精

store up 贮备,贮藏,收藏 | store up essence 藏精 | store up grain 蓄积粮食

Setting up a Storer for Billing：为货主设置费收

Setting Up a GL Distribution设置分类帐户 | Setting up a Storer for Billing为货主设置费收 | Setting up a Tariff 费用的设置

take-up strander：收线绞线机

收线架[装置] take-up stand | 收线绞线机 take-up strander | 收线张力 take-up tension

Study hard,up and up：好学向上

500. A fly in the ointement.美中不足. | 501. Study hard,up and up .好学向上. | 502. up and down.上窜下跳

sweep up：打扫 / 横扫 /掠过

speed up 加速 | sweep up 打扫 / 横扫 /掠过 | use up 用光

complex field：复合场;复数域

复介电常数 complex dielectric constant | 复合场;复数域 complex field | 复合物生成滴定 complex formation titration

continuous attenuator：连续减光板

07.104 接收二极管reception diode | 07.105 连续减光板continuous attenuator | 07.106 滤光片filter