You make one hundred dollar an hour, you get a safty pin holding the boot up?
你一个小时挣一百美元，那你的鞋洞还用别针补起来？
Effects of holding time on ZL102 liquid aluminum alloy quality in practical production were studied. Relation between holding time and modification effect and pin-porosity was approached.
研究了实际生产中，保温时间对ZL 10 2铝液质量的影响，探讨了保温时间与变质效果和针孔度之间的关系。
The built-in float pin rod comprises a hard and a soft slide rod, and moves only in the hollow holding handle, the bending spring, and the hollow casing for the rod body.
内置式浮动销杆又由硬体滑杆和软体滑杆组成，浮动销杆只能在空心的握柄、弯力弹簧和空心的竿身套管内移动。
The built-in float pin rod comprises a hard and a soft slide rod, and moves only in the hollow holding handle, the bending spring, and the hollow casing for the rod body.
内置式浮动销杆又由硬体滑杆和软体滑杆组成，浮动销杆只能在空心的握柄、弯力弹簧和空心的竿身套管内移动。
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