查询词典 loudspeaker cone

Track roller , carrier roller, idler are mounted with long life well sealed Duo-cone floating ring seal.

支重轮、托链轮、引导轮均装有密封性好、寿命长的浮动油封。

Ruyu Jiaquantian meng Ruins 2 years ago about "advanced Homo sapiens" fossils of human bones; Qian'an Zhaocun Village Ruins 40,000 years ago if the tooth's edge as the ancient ivory and human used to sew the late Paleolithic clothing of bone needles, bone cone; move posts MA solitary village unearthed bamboo with close ties to the state-owned "The Double" and "bo ding "; Qian'an Liao Dynasty unearthed in white, is a boutique Ancient.

如玉田孟家泉遗址出土距今2万年左右的&晚期智人&的人骨化石；迁安爪村遗址出土距今4万多年的若氏古棱齿象象牙及旧石器时代晚期人类用来缝制衣物的骨针、骨锥；迁安马哨村出土的与孤竹国有密切联系的&其簋&和&卜鼎&；迁安出土的辽代白瓷，堪称古瓷精品。

Attachment of a special device to the three-roll bending roller allows the quality and efficiency of bending and rolling-up for cone-shaped bodies to improve.

本文介绍了在三辊卷板机上附加一工艺装置可使锥体弯卷的质量和效率大大提高。

In section 2, we study the existence of sign-changing solutions of some three-point boundary value problem by the cone theory and the fixed-point index theory.

本文利用不动点指数定理研究了如下两种二阶微分方程多点边值问题变号解的存在性，同时分别得到了一个正解和一个负解。

M-point boundary value problem; momotone iterative; equation system; impulsive differential-integro equation; three-point boundary value problem; positive solution; Fixed point; Cone

基础科学，数学，数学分析m点边值问题；单调迭代；方程组；脉冲微积分方程；三点边值问题；正解；不动点；锥

three-point boundary value problem,positive solution,cone

本文主要讨论四阶三点边值向题{U&'&'一f'，&('&+g'，&('&，'eo，''，Lu(0=au，u=0，aull一月u，，，(0)=0，7ull(1)+叙邢(1)~0，其中。0，在了，g同超线性，或一超线

Major producers' Shuangling ',' Spurs' licensing straight stalk end mill, Cone stalk end mill, saw mill Knife, cut cutter, three-blade cutter and non-standard tool.

主要生产'双菱'，'奥马'牌直柄立铣刀，锥柄立铣刀，锯片铣刀，切口铣刀，三面刃铣刀及非标刀具。

The company also specializing in the production of supporting a variety of cold extrusion steel, cone thread connecting sets, rolling straight thread connecting sets, stripping rib straight thread connecting sets, torque wrench, the wrenches, cutting tools, thread gauge, smooth gauge , The teeth of regulations, such as ring-regulation.

公司还专业生产相配套的各种规格的冷挤压钢套、锥螺纹连接套、滚压直螺纹连接套、剥肋直螺纹连接套、力矩扳手、工作扳手、切削刀具、螺纹量规、光滑量规、牙型规、环型规等。

The fluid sediments imitating the rapidly deposited seabed silts were made in-situ, and an iron plate covered part of the test pit to cut off the effect of the marine hydrodynamics. By field-testing methods, such as static cone penetration test, field vane shear test, the variation of strength is measured at real time, and the marine hydrodynamics' impaction on the consolidation process of the sediments in the Yellow River Estuary was studied.

在黄河三角洲刁口叶瓣潮坪上，开挖2m ×1m×1m 的试坑，现场取土配置黄河口快速沉积形成的流体状堆积物，以铁板部分覆盖试坑隔绝波浪和潮流作用，利用微型贯入、静力触探、十字板剪切试验等原位测试手段，实时测定快速沉积的海床土强度，研究快速沉积的粉质海床土分别在自重条件下以及在波浪和潮波等水动力作用下的固结过程。

Empty hearts 2-6 rivets and solid rivets and small self-tapping screw m2-m3 and non-standard, half-empty heart rivets; flat head mid-air heart rivets; large flat head mid-air heart rivets; ping cone half-empty heart rivets; heart-empty head rivets; ping spherical Cross; semicircle Cross; and semi-head Cross; Shen Tau Cross; Pan Head Cross, enterprises attach importance to product quality.

半空心铆钉和实心铆钉2-6和小型螺丝自攻m2-m3及非标，半圆半空心铆钉；平头半空心铆钉；大扁头半空心铆钉；平锥半空心铆钉；沉头半空心铆钉；平球面十字；半圆十字；半沉头十字；沉头十字；盘头十字，企业重视产品质量。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。