In the paper the tissues of the edible river snail,stone snail and river clamwere digested and the trace mercury was assayed by the cold vapor atomic absorption method.
本文对田螺、石螺及河蚬可食部分进行消化处理,采用冷原子吸收法对其痕量汞进行测定。
It introduces the heat treatment processing for SA540 steel bolt and nut.
本文介绍SA540钢螺丝螺母热处理工艺,因受尺寸因素制约影响,当直径大于100mm时,淬火油冷过程(450℃~550℃)中形成上贝氏体组织。
If you want a small screwdriver I’ve got just the thing here.
如果你要一把小螺丝刀,我这儿正好有一把。
small cross point screw driver with plastic handle
小十字型塑柄螺丝刀
It’s a penknife, scissors, corkscrew all rolled into one.
这集小折刀、剪刀和螺丝起子于一身。
taps dies and tools
螺丝攻、车刀、模具
You turn the screws round and round with a screwdriver.
你用螺丝刀把螺丝拧几圈。
He took a screwdriver and teased out the remaining screws.
他拿出螺丝刀把其余的螺丝卸了下来。
combination screw driver set with tester
带测电笔的套装螺丝刀
Will this do for a screw driver?
这东西能当螺丝刀用吗?
cross point square blade screwdriver with plastic handle
十字塑料柄方杆螺丝刀
cross point screwdriver with transparent plastic handle
透明塑柄十字螺丝刀
semi-automatic ratchet screw driver
半自动棘轮式螺丝刀
double-purpose interchangeable tip square blade screwdriver
可换头方杆两用螺丝刀
It's kind of a knife which also can be used as a screwdriver.
它是某种也可以当作螺丝刀使用的刀子。
After changing the tool rest angle, fasten screws.
搬动刀架角度后,必须紧固好螺丝。
New Technology for Live Transmission Block in Pneumatic Screwdriver
关于气动螺丝刀传动活块加工新工艺
The wire thread insert used in screw hole of the blade
关于钢丝螺套在削片机刀片螺孔中的应用
The profession produce the screw knife and can design the screw of every kind of style for the customer, The knife products with the plastics, your demand is ours target!
专业生产螺丝刀,可为顾客设计各种款式的螺丝刀和塑料制品,你的需要就是我们的目标!
The bookcase can easily be assembled with a screwdriver.
这书柜用一把螺丝刀就可以很容易地安装起来。
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